X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2F__stdio_write.c;h=e52e91ae0f5e0dddc40ca98137fc17fe2c99c15d;hb=8d3ee0575423edd203ee9e9f6b8ef1974ed5b1d9;hp=da45673f23bfd1cad6f3b52fea458f3143e9a874;hpb=b7a2761780c28cd0167ce4e51623e42298096708;p=musl

diff --git a/src/stdio/__stdio_write.c b/src/stdio/__stdio_write.c
index da45673f..e52e91ae 100644
--- a/src/stdio/__stdio_write.c
+++ b/src/stdio/__stdio_write.c
@@ -1,4 +1,5 @@
 #include "stdio_impl.h"
+#include <sys/uio.h>
 #include <pthread.h>
 
 static void cleanup(void *p)
@@ -18,9 +19,13 @@ size_t __stdio_write(FILE *f, const unsigned char *buf, size_t len)
 	int iovcnt = 2;
 	ssize_t cnt;
 	for (;;) {
-		pthread_cleanup_push(cleanup, f);
-		cnt = syscall_cp(SYS_writev, f->fd, iov, iovcnt);
-		pthread_cleanup_pop(0);
+		if (libc.main_thread) {
+			pthread_cleanup_push(cleanup, f);
+			cnt = syscall_cp(SYS_writev, f->fd, iov, iovcnt);
+			pthread_cleanup_pop(0);
+		} else {
+			cnt = syscall(SYS_writev, f->fd, iov, iovcnt);
+		}
 		if (cnt == rem) {
 			f->wend = f->buf + f->buf_size;
 			f->wpos = f->wbase = f->buf;