sylware / cinitramfs (public) (License: GPLv3) (since 2019-09-09) (hash sha1)
linux lean early user space
Clone URLs: https://rocketgit.com/user/sylware/cinitramfs ssh://rocketgit@ssh.rocketgit.com/user/sylware/cinitramfs git://git.rocketgit.com/user/sylware/cinitramfs
master
List of commits:
Subject Hash Author Date (UTC)
uevent listener 55657699f291575139858aec466340e7624cd66a Sylvain BERTRAND 2011-12-15 18:01:06
uevent monitor e241bd4db4af8510902a5c606eee0e1e2dbdecda Sylvain BERTRAND 2011-12-13 00:37:45
block signals 91772917669645b5634563d0c06e361c87cf3e84 Sylvain BERTRAND 2011-12-09 17:04:34
initial commit 5310fde2d021e3505f8f1d5d9091726c236967ec Sylvain BERTRAND 2011-12-07 11:29:18
Commit 55657699f291575139858aec466340e7624cd66a - uevent listener
Author: Sylvain BERTRAND
Author date (UTC): 2011-12-15 18:01
Committer name: Sylvain BERTRAND
Committer date (UTC): 2011-12-15 18:01
Parent(s): e241bd4db4af8510902a5c606eee0e1e2dbdecda
Signing key:
Tree: a4a4468cfd6125a472c4cf4e3a832e737283e64b
File Lines added Lines deleted
conf.mk 4 1
globals.h 3 1
init.c 12 21
makefile 39 18
modules.c 5 5
uevent.c 177 0
uevent.h 4 3
uevent_monitor.c 22 4
ulinux/archs/x86_64/utils/mem.c 15 0
ulinux/archs/x86_64/utils/mem.h 1 1
ulinux/epoll.h 5 4
ulinux/sched.h 40 0
ulinux/socket/socket.h 1 1
ulinux/utils/ascii/string/vsprintf.c 7 2
File conf.mk changed (mode: 100644) (index 0fb75b9..aabc61b)
... ... ARCH?=$(shell uname -m | sed -e s/i.86/i386/ -e s/parisc64/parisc/ -e s/sun4u/sp
6 6
7 7 BUILD_DIR?=build BUILD_DIR?=build
8 8 OBJ_DIR?=$(BUILD_DIR)/obj OBJ_DIR?=$(BUILD_DIR)/obj
9 S_DIR?=$(BUILD_DIR)/s
9 10 CPIO_DIR?=$(BUILD_DIR)/cpio CPIO_DIR?=$(BUILD_DIR)/cpio
10 11 MODULES_DIR?=$(CPIO_DIR)/modules MODULES_DIR?=$(CPIO_DIR)/modules
11 12
12 13 LD:=ld LD:=ld
13 14 CC:=gcc CC:=gcc
15 AS:=as
14 16
15 CFLAGS?=-Wall -Wextra -std=gnu99 -O3 -march=native -I./
17 CFLAGS?=-Wall -Wextra -std=gnu99 -O3 -march=native -fverbose-asm -S -I./
16 18 LDFLAGS?=-O -nostdlib -Bstatic --strip-all LDFLAGS?=-O -nostdlib -Bstatic --strip-all
19 ASFLAGS?=
17 20
18 21 ifdef DEBUG ifdef DEBUG
19 22 CFLAGS+= -DDEBUG CFLAGS+= -DDEBUG
File globals.h changed (mode: 100644) (index 02f31ff..8bbc0d3)
9 9 #define PRE "initramfs:" #define PRE "initramfs:"
10 10 extern k_i g_console; extern k_i g_console;
11 11 extern k_u8 *g_dprintf_buf; extern k_u8 *g_dprintf_buf;
12 #define OUT(f,...) u_a_dprintf(g_console,g_dprintf_buf,K_PAGE_SIZE,(k_u8*)f,\
12 #define DPRINTF_BUF_SZ 1024
13 #define OUT(f,...) u_a_dprintf(g_console,g_dprintf_buf,DPRINTF_BUF_SZ,(k_u8*)f,\
13 14 __VA_ARGS__) __VA_ARGS__)
15 //FIXME: deal with -K_EINTR and -K_EAGAIN
14 16 #define OUTC(s) sysc(write,3,g_console,s,sizeof(s)) #define OUTC(s) sysc(write,3,g_console,s,sizeof(s))
15 17 #else #else
16 18 #define PRE #define PRE
File init.c changed (mode: 100644) (index 90888b1..c373242)
20 20 #endif #endif
21 21
22 22 #include "modules.h" #include "modules.h"
23 #include "uevent.h"
23 24 #include "globals.h" #include "globals.h"
24 25
25 26 #ifdef DEBUG #ifdef DEBUG
 
... ... k_u8 *g_dprintf_buf;
27 28 k_i g_console; k_i g_console;
28 29 #endif #endif
29 30
30 static k_i uevent_sock;
31
32 31 static void sigs_setup(void) static void sigs_setup(void)
33 32 { {
33 OUTC(PRE "setting up signals...");
34 34 k_ul mask=(~0); k_ul mask=(~0);
35 35 k_l r=sysc(rt_sigprocmask,4,K_SIG_BLOCK,&mask,0,sizeof(mask)); k_l r=sysc(rt_sigprocmask,4,K_SIG_BLOCK,&mask,0,sizeof(mask));
36 36 if(K_ISERR(r)){ if(K_ISERR(r)){
37 OUTC(PRE "ERROR:unable to block all signals (except KILL and STOP ;) )\n");
38 sysc(exit_group,1,-1);
39 }
40 }
41
42 static void uevent_setup(void)
43 {
44 uevent_sock=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW|K_SOCK_NONBLOCK,
45 K_NETLINK_KOBJECT_UEVENT);
46 if(K_ISERR(uevent_sock)){
47 OUT(PRE "ERROR:unable to create uevent netlink socket:%d\n",uevent_sock);
37 OUTC("ERROR:unable to block all signals (except KILL and STOP ;) )\n");
48 38 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
49 39 } }
40 OUTC("done\n");
50 41 } }
51 42
52 43 void _start(void) void _start(void)
53 44 { {
54 45 # ifdef DEBUG # ifdef DEBUG
55 //FIXME:put the debug buffer in static section
56 46 k_l r=sysc(open,3,"/dev/console",K_O_WRONLY,0); k_l r=sysc(open,3,"/dev/console",K_O_WRONLY,0);
57 47 if(K_ISERR(r)) sysc(exit_group,1,-1); if(K_ISERR(r)) sysc(exit_group,1,-1);
58 48 g_console=(k_i)r; g_console=(k_i)r;
59 r=sysc(mmap,6,0, K_PAGE_SIZE, K_PROT_READ|K_PROT_WRITE,
60 K_MAP_PRIVATE|K_MAP_ANONYMOUS|K_MAP_POPULATE,0,0);
61 if(K_ISERR(r)){
62 OUTC(PRE "ERROR:unable to mmap a memory page for formatted output\n");
63 sysc(exit_group,1,-1);
64 }
65 g_dprintf_buf=(k_u8*)r;//just one page should be enough for formatted output
49
50 static k_u8 dprintf_buf[DPRINTF_BUF_SZ];
51 g_dprintf_buf=dprintf_buf;
66 52 # endif # endif
53 sigs_setup();
54 proc_mount();
55 sys_mount();
67 56 sigs_setup(); sigs_setup();
68 57 uevent_setup(); uevent_setup();
58 uevent_recv_thread_start();
69 59 modules_load(); modules_load();
60 while(1);
70 61 sysc(exit_group,1,0); sysc(exit_group,1,0);
71 62 } }
File makefile changed (mode: 100644) (index a47a4aa..07787c4)
... ... include conf.mk
3 3 .PHONY:all dirs clean am_i_root help uevent_monitor .PHONY:all dirs clean am_i_root help uevent_monitor
4 4
5 5 DIRS=\ DIRS=\
6 $(S_DIR) \
6 7 $(OBJ_DIR) \ $(OBJ_DIR) \
7 8 $(MODULES_DIR) \ $(MODULES_DIR) \
8 $(CPIO_DIR)/dev
9 $(CPIO_DIR)/dev \
10 $(CPIO_DIR)/proc \
11 $(CPIO_DIR)/sys
12
9 13
10 14 OBJS=\ OBJS=\
11 15 $(OBJ_DIR)/init.o \ $(OBJ_DIR)/init.o \
12 $(OBJ_DIR)/modules.o
16 $(OBJ_DIR)/modules.o \
17 $(OBJ_DIR)/uevent.o
13 18
14 19 ifdef DEBUG ifdef DEBUG
15 20 ULINUX_DEBUG_OBJS=\ ULINUX_DEBUG_OBJS=\
 
... ... ulinux/arch:
40 45
41 46 #=============================================================================== #===============================================================================
42 47 ifdef DEBUG ifdef DEBUG
43 $(OBJ_DIR)/mem.o:ulinux/arch/utils/mem.c
44 $(CC) $(CFLAGS) -c $< -o $@
45
46 $(OBJ_DIR)/string.o:ulinux/utils/ascii/string/string.c
47 $(CC) $(CFLAGS) -c $< -o $@
48
49 $(OBJ_DIR)/vsprintf.o:ulinux/utils/ascii/string/vsprintf.c
50 $(CC) $(CFLAGS) -c $< -o $@
48 $(S_DIR)/mem.s:ulinux/arch/utils/mem.c
49 $(CC) $(CFLAGS) $< -o $@
50 $(OBJ_DIR)/mem.o:$(S_DIR)/mem.s
51 $(AS) $(ASFLAGS) $< -o $@
52
53 $(S_DIR)/string.s:ulinux/utils/ascii/string/string.c
54 $(CC) $(CFLAGS) $< -o $@
55 $(OBJ_DIR)/string.o:$(S_DIR)/string.s
56 $(AS) $(ASFLAGS) $< -o $@
57
58 $(S_DIR)/vsprintf.s:ulinux/utils/ascii/string/vsprintf.c
59 $(CC) $(CFLAGS) $< -o $@
60 $(OBJ_DIR)/vsprintf.o:$(S_DIR)/vsprintf.s
61 $(AS) $(ASFLAGS) $< -o $@
51 62 endif endif
52 63 #=============================================================================== #===============================================================================
53 64
 
... ... $(BUILD_DIR)/initramfs.cpio:$(CPIO_DIR)/init $(CPIO_DIR)/dev/console
58 69 chown -R 0:0 $(CPIO_DIR) chown -R 0:0 $(CPIO_DIR)
59 70 DEST_FILE=$$(realpath $(BUILD_DIR))/initramfs.cpio;\ DEST_FILE=$$(realpath $(BUILD_DIR))/initramfs.cpio;\
60 71 cd $(CPIO_DIR);\ cd $(CPIO_DIR);\
61 find . -depth -print | cpio --format=newc --create >$${DEST_FILE}
72 find . -print | cpio --format=newc --create >$${DEST_FILE}
62 73
63 74 $(BUILD_DIR)/initramfs.cpio.xz:$(BUILD_DIR)/initramfs.cpio $(BUILD_DIR)/initramfs.cpio.xz:$(BUILD_DIR)/initramfs.cpio
64 xz --force --check=crc32 --extreme $<
75 xz --force --check=crc32 --extreme --stdout $< >$@
76
77 $(S_DIR)/modules.s:modules.c modules_list.h
78 $(CC) $(CFLAGS) $< -o $@
79 $(OBJ_DIR)/modules.o:$(S_DIR)/modules.s
80 $(AS) $(ASFLAGS) $< -o $@
65 81
66 $(OBJ_DIR)/modules.o:modules.c modules_list.h
67 $(CC) $(CFLAGS) -c $< -o $@
82 $(S_DIR)/uevent.s:uevent.c
83 $(CC) $(CFLAGS) $< -o $@
84 $(OBJ_DIR)/uevent.o:$(S_DIR)/uevent.s
85 $(AS) $(ASFLAGS) $< -o $@
68 86
69 $(OBJ_DIR)/init.o:init.c modules.h
70 $(CC) $(CFLAGS) -c $< -o $@
87 $(S_DIR)/init.s:init.c modules.h
88 $(CC) $(CFLAGS) $< -o $@
89 $(OBJ_DIR)/init.o:$(S_DIR)/init.s
90 $(AS) $(ASFLAGS) $< -o $@
71 91
72 92 $(CPIO_DIR)/init:$(OBJS) $(CPIO_DIR)/init:$(OBJS)
73 93 $(LD) $(LDFLAGS) $(OBJS) --output $@ $(LD) $(LDFLAGS) $(OBJS) --output $@
 
... ... clean:
82 102
83 103 #=============================================================================== #===============================================================================
84 104 $(BUILD_DIR)/uevent_monitor:uevent_monitor.c $(ULINUX_DEBUG_OBJS) $(BUILD_DIR)/uevent_monitor:uevent_monitor.c $(ULINUX_DEBUG_OBJS)
85 $(CC) $(CFLAGS) -c $< -o /tmp/uevent_monitor.o
86 $(LD) $(LDFLAGS) /tmp/uevent_monitor.o $(ULINUX_DEBUG_OBJS) --output $@
105 $(CC) $(CFLAGS) -fverbose-asm -S $< -o $(S_DIR)/uevent_monitor.s
106 $(AS) $(S_DIR)/uevent_monitor.s -o $(OBJ_DIR)/uevent_monitor.o
107 $(LD) $(LDFLAGS) $(OBJ_DIR)/uevent_monitor.o $(ULINUX_DEBUG_OBJS) --output $@
87 108
88 109 uevent_monitor:dirs ulinux/arch $(BUILD_DIR)/uevent_monitor uevent_monitor:dirs ulinux/arch $(BUILD_DIR)/uevent_monitor
89 110 #=============================================================================== #===============================================================================
File modules.c changed (mode: 100644) (index 63757dd..9f9901e)
... ... static void module_load(k_u8 *m)
25 25 { {
26 26 k_l fd=sysc(open,3,m,K_O_RDONLY,0); k_l fd=sysc(open,3,m,K_O_RDONLY,0);
27 27 if(K_ISERR(fd)){ if(K_ISERR(fd)){
28 OUTC(PRE " unable to open module\n");
28 OUTC("unable to open module\n");
29 29 goto err; goto err;
30 30 } }
31 31
32 32 struct k_stat m_stat; struct k_stat m_stat;
33 33 k_l r=sysc(fstat,2,fd,&m_stat); k_l r=sysc(fstat,2,fd,&m_stat);
34 34 if(K_ISERR(r)){ if(K_ISERR(r)){
35 OUTC(PRE " unable to stat module\n");
35 OUTC("unable to stat module\n");
36 36 goto err; goto err;
37 37 } }
38 38
39 39 k_l addr=sysc(mmap,6,0,m_stat.st_size,K_PROT_READ, k_l addr=sysc(mmap,6,0,m_stat.st_size,K_PROT_READ,
40 40 K_MAP_PRIVATE|K_MAP_POPULATE,fd,0); K_MAP_PRIVATE|K_MAP_POPULATE,fd,0);
41 41 if(K_ISERR(addr)){ if(K_ISERR(addr)){
42 OUTC(PRE " unable to mmap module\n");
42 OUTC("unable to mmap module\n");
43 43 goto err; goto err;
44 44 } }
45 45 return; return;
 
... ... void modules_load(void)
53 53 k_u8 **m=modules_list; k_u8 **m=modules_list;
54 54
55 55 while(*m!=0){ while(*m!=0){
56 OUT(PRE "loading module '%s'...\n",*m);
56 OUT(PRE "loading module '%s'...",*m);
57 57 module_load(*m); module_load(*m);
58 OUTC(PRE "module loaded");
58 OUTC("done\n");
59 59 ++m; ++m;
60 60 } }
61 61 } }
File uevent.c added (mode: 100644) (index 0000000..e36d58f)
1 //******************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
4 //* <digital.ragnarok AT gmail dot com>
5 //******************************************************************************
6 #include <ulinux/compiler_types.h>
7 #include <ulinux/arch/sysc.h>
8 #include <ulinux/arch/types.h>
9 #include <ulinux/error.h>
10 #include <ulinux/socket/socket.h>
11 #include <ulinux/socket/msg.h>
12 #include <ulinux/socket/netlink.h>
13 #include <ulinux/epoll.h>
14 #include <ulinux/utils/mem.h>
15 #ifdef DEBUG
16 #include <ulinux/file.h>
17 #include <ulinux/stat.h>
18 #include <ulinux/mmap.h>
19 #include <ulinux/signal/signal.h>
20
21 #include <stdarg.h>
22 #include <ulinux/utils/ascii/string/vsprintf.h>
23 #endif
24
25 #include "globals.h"
26 static k_i ep_fd=-1;
27 static k_i s=-1;
28
29 void uevent_setup(void)
30 {
31 OUTC(PRE "setting up uevent...");
32 ep_fd=(k_i)sysc(epoll_create1,1,0);
33 if(K_ISERR(ep_fd)){
34 OUT("ERROR:unable to create epoll fd (%d)\n",ep_fd);
35 sysc(exit_group,1,-1);
36 }
37
38 //----------------------------------------------------------------------------
39
40 s=(k_i)sysc(socket,3,K_PF_NETLINK,K_SOCK_RAW|K_SOCK_NONBLOCK,
41 K_NETLINK_KOBJECT_UEVENT);
42 if(K_ISERR(s)){
43 OUT("ERROR:unable to create uevent netlink socket:%d\n",s);
44 sysc(exit_group,1,-1);
45 }
46
47 //----------------------------------------------------------------------------
48
49 k_i recv_buf_sz=128*1024*1024;
50 k_l r=sysc(setsockopt,5,s,K_SOL_SOCKET,K_SO_RCVBUFFORCE,&recv_buf_sz,
51 sizeof(recv_buf_sz));
52 if(K_ISERR(r)){
53 OUT("ERROR:unable to force the size of the socket buffer:%ld\n",r);
54 sysc(exit_group,1,-1);
55 }
56
57 //----------------------------------------------------------------------------
58
59 //uevent groups? only one: 1
60 struct k_sockaddr_nl addr={K_AF_NETLINK,0,0,1};
61 r=sysc(bind,3,s,&addr,sizeof(addr));
62 if(K_ISERR(r)){
63 OUT("ERROR:unable to bind address to uevent netlink socket:%ld\n",r);
64 sysc(exit_group,1,-1);
65 }
66
67 //----------------------------------------------------------------------------
68
69 struct k_epoll_event ep_evt;
70 u_memset(&ep_evt,0,sizeof(ep_evt));
71 ep_evt.events=K_EPOLLIN;
72 ep_evt.data.fd=s;
73 r=sysc(epoll_ctl,4,ep_fd,K_EPOLL_CTL_ADD,s,&ep_evt);
74 if(K_ISERR(r)){
75 OUT("ERROR:unable to register uevent netlink socket to epoll (%ld)\n",
76 r);
77 sysc(exit_group,1,-1);
78 }
79 OUTC("done\n");
80 }
81
82 static void uevent_rcv(k_i s)
83 {
84 k_u8 buf[8192];
85 u_memset(buf,0,sizeof(buf));
86
87 struct k_io_vec io_vec;
88 io_vec.base=buf;
89 io_vec.len=sizeof(buf);
90
91 struct k_msg_hdr msg;
92 u_memset(&msg,0,sizeof(msg));
93 msg.iov=&io_vec;
94 msg.iov_len=1;
95
96 k_l r;
97 do{
98 r=sysc(recvmsg,3,s,&msg,0);
99 }while(r==-K_EINTR);
100 if(K_ISERR(r)){
101 OUT("ERROR:unable to receive the uevent(%ld)\n",r);
102 sysc(exit_group,1,-1);
103 }
104 if(msg.flgs&K_MSG_TRUNC){
105 OUT("ERROR:the uevent was truncated(flags=0x%x)\n",msg.flgs);
106 sysc(exit_group,1,-1);
107 }
108 OUTC("uevent received:\n");
109 k_i len=r;
110 k_u8 *p=&buf[0];
111 while(len){
112 if(*p) OUT("%c",*p); else OUTC("\n");
113 ++p;
114 len--;
115 }
116 OUTC("\n");
117 }
118
119 static void uevent_recv(void)
120 {
121 OUTC(PRE "receiving uevent...\n");
122 while(1){
123 k_l r;
124 static struct k_epoll_event evts[1];//uevent netlink event
125 do{
126 u_memset(evts,0,sizeof(evts));
127 r=sysc(epoll_wait,4,ep_fd,evts,1,-1);
128 }while(r==-K_EINTR);
129 if(K_ISERR(r)){
130 OUT(PRE "ERROR:error epolling fds (%ld)\n",r);
131 sysc(exit_group,1,-1);
132 }
133 k_l i=0;
134 while(i<r){
135 if(evts[i].data.fd==s){
136 if(evts[i].events&K_EPOLLIN){
137 uevent_rcv(s);
138 }else{
139 OUT(PRE "ERROR:unmanaged epolling event on uevent netlink socket"
140 " n=%ld events=%u\n", i,evts[i].events);
141 sysc(exit_group,1,-1);
142 }
143 }
144 ++i;
145 }
146 }
147 }
148
149 void uevent_recv_thread_start(void)
150 {
151 k_l r=sysc(clone,5,K_,0,NULL,NULL,NULL);
152 if(K_ISERR(r)){
153 PERR("FATAL:error precloning process slot %d with error %ld\n",slot,r);
154 return -1;
155 }
156 if(r==0) goto preclone_entry_setup;
157
158 _preclones[slot].s=s[1];
159 sysc(close,1,s[0]);
160 _preclones[slot].pid=(k_i)r;
161 return 0;
162
163 preclone_entry_setup:
164 _slot=slot;
165 sysc(close,1,s[1]);//close parent unix socket
166 _parent_sock=s[0];
167
168 sysc(close,1,0);//for the connexion socket
169 sysc(close,1,1);//for the connexion socket
170 //keep stderr
171
172 sysc(close,1,_sigs_fd);//don't care of parent signal
173 sysc(close,1,_epfd);//don't use parent epoll
174
175 _preclone_entry();
176 return -1;
177 }
File uevent.h copied from file modules.h (similarity 78%) (mode: 100644) (index f5e162a..10522cc)
1 #ifndef MODULES_H
2 #define MODULES_H
1 #ifndef UEVENT_H
2 #define UEVENT_H
3 3 //****************************************************************************** //******************************************************************************
4 4 //*this code is protected by the GNU affero GPLv3 //*this code is protected by the GNU affero GPLv3
5 5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com> //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 6 //* <digital.ragnarok AT gmail dot com> //* <digital.ragnarok AT gmail dot com>
7 7 //****************************************************************************** //******************************************************************************
8 void modules_load(void);
8 void uevent_setup(void);
9 void uevent_recv_thread_start(void);
9 10 #endif #endif
File uevent_monitor.c changed (mode: 100644) (index 359a60e..b2b537a)
1 //******************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
4 //* <digital.ragnarok AT gmail dot com>
5 //******************************************************************************
1 6 #include <ulinux/compiler_types.h> #include <ulinux/compiler_types.h>
2 7 #include <ulinux/arch/sysc.h> #include <ulinux/arch/sysc.h>
3 8 #include <ulinux/arch/types.h> #include <ulinux/arch/types.h>
 
... ... void _start(void)
72 77
73 78 k_i ep_fd=(k_i)sysc(epoll_create1,1,0); k_i ep_fd=(k_i)sysc(epoll_create1,1,0);
74 79 if(K_ISERR(ep_fd)){ if(K_ISERR(ep_fd)){
75 ERR("FATAL:unable to create epoll fd (%d)\n",ep_fd);
80 ERR("ERROR:unable to create epoll fd (%d)\n",ep_fd);
76 81 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
77 82 } }
78 83
 
... ... void _start(void)
87 92
88 93 //---------------------------------------------------------------------------- //----------------------------------------------------------------------------
89 94
95 //why that big (stolen from udev)?
96 //moreover it can be skipped most of the time
97 //must be priviledge
98 k_i recv_buf_sz=128*1024*1024;
99 k_l r=sysc(setsockopt,5,s,K_SOL_SOCKET,K_SO_RCVBUFFORCE,&recv_buf_sz,
100 sizeof(recv_buf_sz));
101 if(K_ISERR(r)){
102 ERR("ERROR:unable to force the size of the socket buffer (%ld)\n",r);
103 sysc(exit_group,1,-1);
104 }
105
106 //----------------------------------------------------------------------------
107
90 108 //uevent groups? only one: 1 //uevent groups? only one: 1
91 109 struct k_sockaddr_nl addr={K_AF_NETLINK,0,0,1}; struct k_sockaddr_nl addr={K_AF_NETLINK,0,0,1};
92 k_l r=sysc(bind,3,s,&addr,sizeof(addr));
110 r=sysc(bind,3,s,&addr,sizeof(addr));
93 111 if(K_ISERR(r)){ if(K_ISERR(r)){
94 112 ERR("ERROR:unable to bind address to uevent netlink socket:%ld\n",r); ERR("ERROR:unable to bind address to uevent netlink socket:%ld\n",r);
95 113 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
 
... ... void _start(void)
108 126 } }
109 127
110 128 //---------------------------------------------------------------------------- //----------------------------------------------------------------------------
111 //
129
112 130 while(1){ while(1){
113 131 static struct k_epoll_event evts[1];//uevent netlink event static struct k_epoll_event evts[1];//uevent netlink event
114 132 do{ do{
 
... ... void _start(void)
116 134 r=sysc(epoll_wait,4,ep_fd,evts,1,-1); r=sysc(epoll_wait,4,ep_fd,evts,1,-1);
117 135 }while(r==-K_EINTR); }while(r==-K_EINTR);
118 136 if(K_ISERR(r)){ if(K_ISERR(r)){
119 ERR("FATAL:error epolling fds (%ld)\n",r);
137 ERR("ERROR:error epolling fds (%ld)\n",r);
120 138 sysc(exit_group,1,-1); sysc(exit_group,1,-1);
121 139 } }
122 140 k_l i=0; k_l i=0;
File ulinux/archs/x86_64/utils/mem.c changed (mode: 100644) (index 9196740..366278a)
7 7 #include <ulinux/arch/types.h> #include <ulinux/arch/types.h>
8 8 #include <stddef.h> #include <stddef.h>
9 9
10 //XXX:need a way to get the target CPUID flags in order to select the proper
11 //path at compilation time and not runtime
10 12 void u_memcpy(void *d,void *s,k_ul len) void u_memcpy(void *d,void *s,k_ul len)
11 13 { {
12 14 __builtin_memcpy(d,s,len);//use gcc builtin for this arch __builtin_memcpy(d,s,len);//use gcc builtin for this arch
 
... ... void *memcpy(void *to,const void *from,size_t len)
20 22 while(len--) *d++=*s++; while(len--) *d++=*s++;
21 23 return to; return to;
22 24 } }
25
26 void u_memset(void *d,k_u8 c,k_ul len)
27 {
28 __builtin_memset(d,c,len);//use gcc builtin for this arch
29 }
30
31 //a memset implementation is needed anyway if gcc decides not to use its builtin
32 void *memset(void *to,int c,size_t len)
33 {
34 k_u8 *d=to;
35 while(len--) *d++=c;
36 return to;
37 }
File ulinux/archs/x86_64/utils/mem.h changed (mode: 100644) (index 86449f9..32a51cc)
3 3 #define ULINUX_ARCH_HAS_MEMCPY #define ULINUX_ARCH_HAS_MEMCPY
4 4 #define ULINUX_ARCH_HAS_MEMSET #define ULINUX_ARCH_HAS_MEMSET
5 5 void u_memcpy(void *d,void *s,k_ul len); void u_memcpy(void *d,void *s,k_ul len);
6 #define u_memset __builtin_memset
6 void u_memset(void *d,k_u8 c,k_ul len);
7 7 #endif #endif
File ulinux/epoll.h changed (mode: 100644) (index e550c2e..37421c3)
1 //**********************************************************************************************
2 //*this code is protected by the GNU affero GPLv3
3 //*author:Sylvain BERTRAND (sylvain.bertrand AT gmail dot com)
4 //**********************************************************************************************
5 1 #ifndef ULINUX_EPOLL_H #ifndef ULINUX_EPOLL_H
6 2 #define ULINUX_EPOLL_H #define ULINUX_EPOLL_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
7 8 #define K_EPOLL_CTL_ADD 1 #define K_EPOLL_CTL_ADD 1
8 9 #define K_EPOLL_CTL_DEL 2 #define K_EPOLL_CTL_DEL 2
9 10 #define K_EPOLL_CTL_MOD 3 #define K_EPOLL_CTL_MOD 3
File ulinux/sched.h added (mode: 100644) (index 0000000..c27483c)
1 #ifndef ULINUX_SCHED_H
2 #define ULINUX_SCHED_H
3 //******************************************************************************
4 //*this code is protected by the GNU affero GPLv3
5 //*author:Sylvain BERTRAND <sylvain.bertrand AT gmail dot com>
6 //* <digital.ragnarok AT gmail dot com>
7 //******************************************************************************
8 #define K_CSIGNAL 0x000000ff//signal mask to be sent at exit
9 #define K_CLONE_VM 0x00000100//set if vm shared between processes
10 #define K_CLONE_FS 0x00000200//set if fs info shared between
11 //processes
12 #define K_CLONE_FILES 0x00000400//set if open files shared between
13 //processes
14 #define K_CLONE_SIGHAND 0x00000800//set if signal handlers and blocked
15 //signals shared
16 #define K_CLONE_PTRACE 0x00002000//set if we want to let tracing
17 //continue on the child too
18 #define K_CLONE_VFORK 0x00004000//set if the parent wants the child to
19 //wake it up on mm_release
20 #define K_CLONE_PARENT 0x00008000//set if we want to have the same
21 //parent as the cloner
22 #define K_CLONE_THREAD 0x00010000//same thread group?
23 #define K_CLONE_NEWNS 0x00020000//new namespace group?
24 #define K_CLONE_SYSVSEM 0x00040000//share system v sem_undo semantics
25 #define K_CLONE_SETTLS 0x00080000//create a new tls for the child
26 #define K_CLONE_PARENT_SETTID 0x00100000//set the tid in the parent
27 #define K_CLONE_CHILD_CLEARTID 0x00200000//clear the tid in the child
28 #define K_CLONE_DETACHED 0x00400000//unused, ignored
29 #define K_CLONE_UNTRACED 0x00800000//set if the tracing process can't
30 //force clone_ptrace on this clone
31 #define K_CLONE_CHILD_SETTID 0x01000000//set the tid in the child
32 //0x02000000 was previously the unused clone_stopped (start in stopped state)
33 //and is now available for re-use.
34 #define K_CLONE_NEWUTS 0x04000000//new utsname group?
35 #define K_CLONE_NEWIPC 0x08000000//new ipcs
36 #define K_CLONE_NEWUSER 0x10000000//new user namespace
37 #define K_CLONE_NEWPID 0x20000000//new pid namespace
38 #define K_CLONE_NEWNET 0x40000000//new network namespace
39 #define K_CLONE_IO 0x80000000//clone io context
40 #endif
File ulinux/socket/socket.h changed (mode: 100644) (index 5839831..e22ace9)
... ... enum k_sock_type{
103 103 //------------------------------------------------------------------------------ //------------------------------------------------------------------------------
104 104 //options //options
105 105 //------------------------------------------------------------------------------ //------------------------------------------------------------------------------
106 #define K_SOL_SOCKET 1//for setsockopt(2)
106 #define K_SOL_SOCKET 1//sol is *so*cket *l*evel for setsockopt(2)
107 107
108 108 #define K_SO_DEBUG 1 #define K_SO_DEBUG 1
109 109 #define K_SO_REUSEADDR 2 #define K_SO_REUSEADDR 2
File ulinux/utils/ascii/string/vsprintf.c changed (mode: 100644) (index 3d1e9a8..ca45280)
... ... k_i u_a_dprintf(k_i f,k_u8 *buf,k_ul sz,k_u8 *fmt,...)
922 922 k_ul len=u_a_vsnprintf(buf,sz,fmt,args); k_ul len=u_a_vsnprintf(buf,sz,fmt,args);
923 923 va_end(args); va_end(args);
924 924
925 k_l r=sysc(write,3,f,buf,len);
926 if(K_ISERR(r)) return -2;
925 //k_l r=sysc(write,3,f,buf,len);
926 //if(K_ISERR(r)) return -2;
927 k_l r;
928 do{
929 r=sysc(write,3,f,buf,len);
930 }while(r==-K_EINTR||r==-K_EAGAIN);
931 if(K_ISERR(r)||(r!=(k_l)len)) return -2;
927 932 return 0; return 0;
928 933 } }
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