split some restartable syscall stuff out

don't declare slowbuf unless it's needed

1 files changed, 0 insertions, 43 deletions

diff --git a/utils.c b/utils.c
index a3d6fbe..a139324 100644
--- a/utils.c
+++ b/utils.c
@@ -65,49 +65,6 @@ extern bool isabsolute(char *path) {
 	return path[0] == '/' || (path[0] == '.' && (path[1] == '/' || (path[1] == '.' && path[2] == '/')));
 }
 
-/* signal-safe read and write (for BSD slow devices). writeall also allows partial writes */
-static char *safe_buf;
-static size_t safe_remain;
-
-extern void writeall(int fd, char *buf, size_t remain) {
-	int i;
-
-	safe_buf = buf;
-	safe_remain = remain;
-	for (i = 0; safe_remain > 0; buf += i, safe_remain -= i) {
-		interrupt_happened = FALSE;
-		if (!sigsetjmp(slowbuf.j, 1)) {
-			slow = TRUE;
-			if (interrupt_happened)
-				break;
-			else if ((i = write(fd, safe_buf, safe_remain)) <= 0)
-				break; /* abort silently on errors in write() */
-		} else
-			break;
-		slow = FALSE;
-	}
-	slow = FALSE;
-	sigchk();
-}
-
-extern int rc_read(int fd, char *buf, size_t n) {
-	long /*ssize_t*/ r;
-	interrupt_happened = FALSE;
-	if (!sigsetjmp(slowbuf.j, 1)) {
-		slow = TRUE;
-		if (!interrupt_happened)
-			r = read(fd, buf, n);
-		else
-			r = -2;
-	} else
-		r = -2;
-	slow = FALSE;
-	if (r == -2) {
-		errno = EINTR;
-		r = -1;
-	}
-	return r;
-}
 
 /* duplicate a fd and close the old one only if necessary */