X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2F__timedwait.c;h=13d8465a450552bf418f05ac06a3d81176c5b118;hb=9c738dc183f44de40d263e4ff8dc540915a41aed;hp=988eb70ddf93294417442ed9878b7101cf5994d4;hpb=cc832d8a31e674c3d8ee7168e4a613b5bf8124e0;p=musl diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c index 988eb70d..13d8465a 100644 --- a/src/thread/__timedwait.c +++ b/src/thread/__timedwait.c @@ -1,24 +1,46 @@ +#include #include #include #include "futex.h" -#define SYSCALL_RETURN_ERRNO #include "syscall.h" -#include -int __timedwait(volatile int *addr, int val, clockid_t clk, const struct timespec *at, int priv) +#include "pthread_impl.h" + +int __pthread_setcancelstate(int, int *); +int __clock_gettime(clockid_t, struct timespec *); + +int __timedwait_cp(volatile int *addr, int val, + clockid_t clk, const struct timespec *at, int priv) { int r; - struct timespec to; + struct timespec to, *top=0; + + if (priv) priv = 128; + if (at) { - clock_gettime(clk, &to); + if (at->tv_nsec >= 1000000000UL) return EINVAL; + if (__clock_gettime(clk, &to)) return EINVAL; to.tv_sec = at->tv_sec - to.tv_sec; if ((to.tv_nsec = at->tv_nsec - to.tv_nsec) < 0) { to.tv_sec--; to.tv_nsec += 1000000000; } if (to.tv_sec < 0) return ETIMEDOUT; + top = &to; } - if (priv) priv = 128; priv=0; - r = syscall4(__NR_futex, (long)addr, FUTEX_WAIT | priv, val, at ? (long)&to : 0); - if (r == ETIMEDOUT) return r; - return 0; + + r = -__syscall_cp(SYS_futex, addr, FUTEX_WAIT|priv, val, top); + if (r == ENOSYS) r = -__syscall_cp(SYS_futex, addr, FUTEX_WAIT, val, top); + if (r != EINTR && r != ETIMEDOUT && r != ECANCELED) r = 0; + + return r; +} + +int __timedwait(volatile int *addr, int val, + clockid_t clk, const struct timespec *at, int priv) +{ + int cs, r; + __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + r = __timedwait_cp(addr, val, clk, at, priv); + __pthread_setcancelstate(cs, 0); + return r; }