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| author | Ulrich Drepper <drepper@redhat.com> | 1999-09-18 23:21:25 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-09-18 23:21:25 +0000 |
| commit | 9cf44e65641b946949db0bbf3059901ff2ef08cb (patch) | |
| tree | c46268cea32dfcb5e08b5e7846281cc1babfab08 /linuxthreads/pthread.c | |
| parent | c68d04feb7fca7f45eb30c286812092653e24ca1 (diff) | |
| download | glibc-9cf44e65641b946949db0bbf3059901ff2ef08cb.tar.gz glibc-9cf44e65641b946949db0bbf3059901ff2ef08cb.tar.xz glibc-9cf44e65641b946949db0bbf3059901ff2ef08cb.zip | |
Update.
1999-09-18 Ulrich Drepper <drepper@cygnus.com> * pthread.c (pthread_handle_sigrestart_rt): New function. Use this instead of pthread_handle_sigrestart if the signal is an RT signal. * signals.c: Handle passing through of sighandler arguments also for real-time signals.
Diffstat (limited to 'linuxthreads/pthread.c')
| -rw-r--r-- | linuxthreads/pthread.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 86f24469de..2f10f06790 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -21,6 +21,9 @@ #include <string.h> #include <unistd.h> #include <fcntl.h> +#ifdef __i386__ +# include <ucontext.h> +#endif #include <sys/wait.h> #include <sys/resource.h> #include "pthread.h" @@ -161,6 +164,8 @@ static void pthread_handle_sigrestart(int sig); #else static void pthread_handle_sigcancel(int sig, struct sigcontext ctx); static void pthread_handle_sigrestart(int sig, struct sigcontext ctx); +static void pthread_handle_sigrestart_rt(int sig, struct siginfo *si, + struct ucontext *uc); #endif static void pthread_handle_sigdebug(int sig); @@ -318,7 +323,10 @@ static void pthread_initialize(void) #ifndef __i386__ sa.sa_handler = pthread_handle_sigrestart; #else - sa.sa_handler = (__sighandler_t) pthread_handle_sigrestart; + if (__pthread_sig_restart >= SIGRTMIN) + sa.sa_handler = (__sighandler_t) pthread_handle_sigrestart_rt; + else + sa.sa_handler = (__sighandler_t) pthread_handle_sigrestart; #endif sigemptyset(&sa.sa_mask); sa.sa_flags = 0; @@ -568,6 +576,20 @@ static void pthread_handle_sigrestart(int sig, struct sigcontext ctx) siglongjmp(*THREAD_GETMEM(self, p_signal_jmp), 1); } +#ifdef __i386__ +static void pthread_handle_sigrestart_rt(int sig, struct siginfo *si, + struct ucontext *uc) +{ + pthread_descr self; + asm volatile ("movw %w0,%%gs" : : "r" (uc->uc_mcontext.gregs[GS])); + self = thread_self(); + THREAD_SETMEM(self, p_signal, sig); + if (THREAD_GETMEM(self, p_signal_jmp) != NULL) + siglongjmp(*THREAD_GETMEM(self, p_signal_jmp), 1); +} +#endif + + /* The handler for the CANCEL signal checks for cancellation (in asynchronous mode), for process-wide exit and exec requests. For the thread manager thread, redirect the signal to |