eliminate use of cached pid from thread structure

[musl] / src / thread / synccall.c

diff --git a/src/thread/synccall.c b/src/thread/synccall.c
index a21578d..c414990 100644 (file)
--- a/src/thread/synccall.c
+++ b/src/thread/synccall.c
@@ -1,5 +1,6 @@
 #include "pthread_impl.h"
 #include <semaphore.h>
+#include <unistd.h>
 
 static struct chain {
        struct chain *next;
@@ -13,12 +14,11 @@ static sem_t chainlock, chaindone;
 static void handler(int sig, siginfo_t *si, void *ctx)
 {
        struct chain ch;
-       pthread_t self = __pthread_self();
        int old_errno = errno;
 
        if (chainlen == libc.threads_minus_1) return;
 
-       sigqueue(self->pid, SIGSYNCCALL, (union sigval){0});
+       sigqueue(getpid(), SIGSYNCCALL, (union sigval){0});
 
        sem_init(&ch.sem, 0, 0);
        sem_init(&ch.sem2, 0, 0);
@@ -39,7 +39,6 @@ static void handler(int sig, siginfo_t *si, void *ctx)
 
 void __synccall(void (*func)(void *), void *ctx)
 {
-       pthread_t self;
        struct sigaction sa;
        struct chain *next;
        sigset_t oldmask;
@@ -65,8 +64,7 @@ void __synccall(void (*func)(void *), void *ctx)
        sigfillset(&sa.sa_mask);
        __libc_sigaction(SIGSYNCCALL, &sa, 0);
 
-       self = __pthread_self();
-       sigqueue(self->pid, SIGSYNCCALL, (union sigval){0});
+       sigqueue(getpid(), SIGSYNCCALL, (union sigval){0});
        while (sem_wait(&chaindone));
 
        sa.sa_flags = 0;