X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fstdio%2F__stdio_write.c;h=cef7bbdc37238cbc8607a0e09e68f1551567d1e5;hp=dd97cf68ac15f08a3c71fc6553418f39185539d4;hb=a749ba3adc2f3b4abfc68b21d4c3741b20c8f657;hpb=58165923890865a6ac042fafce13f440ee986fd9

diff --git a/src/stdio/__stdio_write.c b/src/stdio/__stdio_write.c
index dd97cf68..cef7bbdc 100644
--- a/src/stdio/__stdio_write.c
+++ b/src/stdio/__stdio_write.c
@@ -18,10 +18,15 @@ 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;
 			return len;
 		}