if returning errno value directly from a syscall, we need to negate it.

diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c
index b38ea99..28b777b 100644 (file)
--- a/src/thread/__timedwait.c
+++ b/src/thread/__timedwait.c
@@ -17,7 +17,7 @@ int __timedwait(volatile int *addr, int val, clockid_t clk, const struct timespe
                if (to.tv_sec < 0) return ETIMEDOUT;
        }
        if (priv) priv = 128; priv=0;
-       r = __syscall(__NR_futex, (long)addr, FUTEX_WAIT | priv, val, at ? (long)&to : 0);
+       r = -__syscall(__NR_futex, (long)addr, FUTEX_WAIT | priv, val, at ? (long)&to : 0);
        if (r == ETIMEDOUT) return r;
        return 0;
 }

diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index 6448d97..17aa5c4 100644 (file)
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -2,5 +2,5 @@
 
 int pthread_kill(pthread_t t, int sig)
 {
-       return __syscall(__NR_tgkill, t->pid, t->tid, sig);
+       return -__syscall(__NR_tgkill, t->pid, t->tid, sig);
 }

diff --git a/src/time/clock_nanosleep.c b/src/time/clock_nanosleep.c
index c777c17..721e794 100644 (file)
--- a/src/time/clock_nanosleep.c
+++ b/src/time/clock_nanosleep.c
@@ -6,7 +6,7 @@ int clock_nanosleep(clockid_t clk, int flags, const struct timespec *req, struct
 {
        int ret;
        CANCELPT_BEGIN;
-       ret = __syscall(__NR_clock_nanosleep, clk, flags, req, rem);
+       ret = -__syscall(__NR_clock_nanosleep, clk, flags, req, rem);
        CANCELPT_END;
        return ret;
 }