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server: When possible, use tgkill instead of tkill syscall on Linux.

This commit is contained in:
Eric Pouech 2006-02-14 12:24:32 +01:00 committed by Alexandre Julliard
parent 94515450fa
commit 22357ca388
7 changed files with 16 additions and 8 deletions
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2
server/context_alpha.c
View File

@ -341,7 +341,7 @@ int get_thread_single_step( struct thread *thread )
}
/* send a signal to a specific thread */
int tkill( int pid, int sig )
int tkill( int tgid, int pid, int sig )
{
/* FIXME: should do something here */
errno = ENOSYS;

12
server/context_i386.c
View File

@ -560,16 +560,24 @@ int get_thread_single_step( struct thread *thread )
}
/* send a signal to a specific thread */
int tkill( int pid, int sig )
int tkill( int tgid, int pid, int sig )
{
#ifdef __linux__
int ret;
__asm__( "pushl %%ebx\n\t"
"movl %2,%%ebx\n\t"
"int $0x80\n\t"
"popl %%ebx\n\t"
: "=a" (ret)
: "0" (238) /*SYS_tkill*/, "r" (pid), "c" (sig) );
: "0" (270) /*SYS_tgkill*/, "r" (tgid), "c" (pid), "d" (sig) );
if (ret == -ENOSYS)
__asm__( "pushl %%ebx\n\t"
"movl %2,%%ebx\n\t"
"int $0x80\n\t"
"popl %%ebx\n\t"
: "=a" (ret)
: "0" (238) /*SYS_tkill*/, "r" (pid), "c" (sig) );
if (ret >= 0) return ret;
errno = -ret;
return -1;

2
server/context_powerpc.c
View File

@ -286,7 +286,7 @@ int get_thread_single_step( struct thread *thread )
}
/* send a signal to a specific thread */
int tkill( int pid, int sig )
int tkill( int tgid, int pid, int sig )
{
/* FIXME: should do something here */
errno = ENOSYS;

2
server/context_sparc.c
View File

@ -179,7 +179,7 @@ int get_thread_single_step( struct thread *thread )
}
/* send a signal to a specific thread */
int tkill( int pid, int sig )
int tkill( int tgid, int pid, int sig )
{
/* FIXME: should do something here */
errno = ENOSYS;

2
server/context_x86_64.c
View File

@ -271,7 +271,7 @@ int get_thread_single_step( struct thread *thread )
}
/* send a signal to a specific thread */
int tkill( int pid, int sig )
int tkill( int tgid, int pid, int sig )
{
#ifdef __linux__
int ret;

2
server/ptrace.c
View File

@ -187,7 +187,7 @@ int send_thread_signal( struct thread *thread, int sig )
{
if (thread->unix_tid != -1)
{
ret = tkill( thread->unix_tid, sig );
ret = tkill( thread->unix_pid, thread->unix_tid, sig );
if (ret == -1 && errno == ENOSYS) ret = kill( thread->unix_pid, sig );
}
else ret = kill( thread->unix_pid, sig );

2
server/thread.h
View File

@ -132,7 +132,7 @@ extern void *get_thread_ip( struct thread *thread );
extern int get_thread_single_step( struct thread *thread );
extern void get_thread_context( struct thread *thread, CONTEXT *context, unsigned int flags );
extern void set_thread_context( struct thread *thread, const CONTEXT *context, unsigned int flags );
extern int tkill( int pid, int sig );
extern int tkill( int tgid, int pid, int sig );
extern int send_thread_signal( struct thread *thread, int sig );
extern unsigned int global_error; /* global error code for when no thread is current */