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-rw-r--r--src/stdio/__stdio_read.c10
-rw-r--r--src/stdio/__stdio_write.c10
2 files changed, 14 insertions, 6 deletions
diff --git a/src/stdio/__stdio_read.c b/src/stdio/__stdio_read.c
index ee17a576..c99ca9a9 100644
--- a/src/stdio/__stdio_read.c
+++ b/src/stdio/__stdio_read.c
@@ -15,9 +15,13 @@ size_t __stdio_read(FILE *f, unsigned char *buf, size_t len)
};
ssize_t cnt;
- pthread_cleanup_push(cleanup, f);
- cnt = syscall_cp(SYS_readv, f->fd, iov, 2);
- pthread_cleanup_pop(0);
+ if (libc.main_thread) {
+ pthread_cleanup_push(cleanup, f);
+ cnt = syscall_cp(SYS_readv, f->fd, iov, 2);
+ pthread_cleanup_pop(0);
+ } else {
+ cnt = syscall(SYS_readv, f->fd, iov, 2);
+ }
if (cnt <= 0) {
f->flags |= F_EOF ^ ((F_ERR^F_EOF) & cnt);
f->rpos = f->rend = 0;
diff --git a/src/stdio/__stdio_write.c b/src/stdio/__stdio_write.c
index da45673f..cef7bbdc 100644
--- a/src/stdio/__stdio_write.c
+++ b/src/stdio/__stdio_write.c
@@ -18,9 +18,13 @@ 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;