diff options
Diffstat (limited to 'libc/sysdeps/linux/common/nanosleep.c')
| -rw-r--r-- | libc/sysdeps/linux/common/nanosleep.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/nanosleep.c b/libc/sysdeps/linux/common/nanosleep.c index 76cab97f2..1e541500b 100644 --- a/libc/sysdeps/linux/common/nanosleep.c +++ b/libc/sysdeps/linux/common/nanosleep.c @@ -10,10 +10,32 @@ #include "syscalls.h" #include <time.h> +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +#include <sysdep-cancel.h> +#include <pthreadP.h> +#else +#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; -#define __NR___libc_nanosleep __NR_nanosleep -_syscall2(int, __libc_nanosleep, const struct timespec *, req, - struct timespec *, rem); + +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) |