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Cleanup Linux sigqueue implementation

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This patch simplify Linux sigqueue implementation by assuming
__NR_rt_sigqueueinfo existence due minimum kernel requirement
(it pre-dates Linux git inclusion for Linux 2.6.12).

Checked on x86_64-linux-gnu.

	* sysdeps/unix/sysv/linux/sigqueue.c (__sigqueue): Asssume
	__NR_rt_sigqueueinfo.

Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Zack Weinberg <zackw@panix.com>
This commit is contained in:
Adhemerval Zanella 2017-11-01 11:53:12 -02:00
parent 8b0e795aaa
commit 6a4235f129
2 changed files with 5 additions and 8 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2017-11-06 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/sigqueue.c (__sigqueue): Asssume
__NR_rt_sigqueueinfo.
* sysdeps/unix/sysv/linux/Versions (libc) [GLIBC_PRIVATE]: Add
__sigtimedwait.
* sysdeps/unix/sysv/linux/sigtimedwait.c: Simplify includes and

10
sysdeps/unix/sysv/linux/sigqueue.c
View File

@ -17,13 +17,10 @@
#include <errno.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
#ifdef __NR_rt_sigqueueinfo
/* Return any pending signal or wait for one for the given time. */
int
__sigqueue (pid_t pid, int sig, const union sigval val)
@ -40,9 +37,6 @@ __sigqueue (pid_t pid, int sig, const union sigval val)
info.si_uid = __getuid ();
info.si_value = val;
return INLINE_SYSCALL (rt_sigqueueinfo, 3, pid, sig, &info);
return INLINE_SYSCALL_CALL (rt_sigqueueinfo, pid, sig, &info);
}
weak_alias (__sigqueue, sigqueue)
#else
# include <signal/sigqueue.c>
#endif