diff options
| author | Austin Foxley <austinf@cetoncorp.com> | 2009-10-17 14:32:36 -0700 |
|---|---|---|
| committer | Austin Foxley <austinf@cetoncorp.com> | 2009-10-17 14:32:36 -0700 |
| commit | 57e8823548ad6e65d33b2153edeb18fb0edc20e6 (patch) | |
| tree | 8cfc6fea89ec4e90c94b5764233ee2b2ed9cc54d /libc/sysdeps/linux/common/nanosleep.c | |
| parent | 9a737ab7a40984cfdfffd014562a220a3736a10f (diff) | |
cancellation support for a large amount of the required syscalls
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/sysdeps/linux/common/nanosleep.c')
| -rw-r--r-- | libc/sysdeps/linux/common/nanosleep.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/libc/sysdeps/linux/common/nanosleep.c b/libc/sysdeps/linux/common/nanosleep.c index 0849127db..7e3349117 100644 --- a/libc/sysdeps/linux/common/nanosleep.c +++ b/libc/sysdeps/linux/common/nanosleep.c @@ -10,13 +10,32 @@ #include <sys/syscall.h> #include <time.h> -#if defined __USE_POSIX199309 && defined __NR_nanosleep -_syscall2(int, nanosleep, const struct timespec *, req, - struct timespec *, rem) -#ifndef __LINUXTHREADS_OLD__ -libc_hidden_def(nanosleep) +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <sysdep-cancel.h> +#include <pthreadP.h> #else -libc_hidden_weak(nanosleep) -strong_alias(nanosleep,__libc_nanosleep) +#define SINGLE_THREAD_P 1 #endif + +#define __NR___syscall_nanosleep __NR_nanosleep +static inline _syscall2(int, __syscall_nanosleep, const struct timespec *, req, + struct timespec *, rem); + +extern __typeof(nanosleep) __libc_nanosleep; + +int __libc_nanosleep(const struct timespec *req, struct timespec *rem) +{ + if (SINGLE_THREAD_P) + return __syscall_nanosleep(req, rem); + +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + int oldtype = LIBC_CANCEL_ASYNC (); + int result = __syscall_nanosleep(req, rem); + LIBC_CANCEL_RESET (oldtype); + return result; #endif +} + +libc_hidden_proto(nanosleep) +weak_alias(__libc_nanosleep,nanosleep) +libc_hidden_weak(nanosleep) |