X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2F__timedwait.c;h=302273ae6a7712ccbb6fb911af82f243405a41ed;hp=988eb70ddf93294417442ed9878b7101cf5994d4;hb=b3c08a16c0a085e8de01cdc9de106aaa332d27d5;hpb=cc832d8a31e674c3d8ee7168e4a613b5bf8124e0 diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c index 988eb70d..302273ae 100644 --- a/src/thread/__timedwait.c +++ b/src/thread/__timedwait.c @@ -1,24 +1,45 @@ +#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) + +static int do_wait(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 (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; + + r = -__syscall_cp(SYS_futex, addr, FUTEX_WAIT, val, top); + if (r == EINTR || r == EINVAL || r == ETIMEDOUT) return r; return 0; } + +int __timedwait(volatile int *addr, int val, + clockid_t clk, const struct timespec *at, + void (*cleanup)(void *), void *arg, int priv) +{ + int r, cs; + + if (!cleanup) pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + pthread_cleanup_push(cleanup, arg); + + r = do_wait(addr, val, clk, at, priv); + + pthread_cleanup_pop(0); + if (!cleanup) pthread_setcancelstate(cs, 0); + + return r; +}