X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=write_or_die.c;h=630be4cb9414b1686a5ad86a4d5166f2828096f1;hb=06f60e8edf1eb3a91e1af6f255bf46154168dd86;hp=e125e11d3b63e3dab9077d7b414e83e7ff7d16ad;hpb=a6828f536119c3288b0be772e3870f1a464d017d;p=git.git

diff --git a/write_or_die.c b/write_or_die.c
index e125e11d3..630be4cb9 100644
--- a/write_or_die.c
+++ b/write_or_die.c
@@ -40,7 +40,7 @@ void maybe_flush_or_die(FILE *f, const char *desc)
 	}
 }
 
-int read_in_full(int fd, void *buf, size_t count)
+ssize_t read_in_full(int fd, void *buf, size_t count)
 {
 	char *p = buf;
 	ssize_t total = 0;
@@ -57,7 +57,7 @@ int read_in_full(int fd, void *buf, size_t count)
 	return total;
 }
 
-int write_in_full(int fd, const void *buf, size_t count)
+ssize_t write_in_full(int fd, const void *buf, size_t count)
 {
 	const char *p = buf;
 	ssize_t total = 0;
@@ -78,6 +78,13 @@ int write_in_full(int fd, const void *buf, size_t count)
 	return total;
 }
 
+void fsync_or_die(int fd, const char *msg)
+{
+	if (fsync(fd) < 0) {
+		die("%s: fsync error (%s)", msg, strerror(errno));
+	}
+}
+
 void write_or_die(int fd, const void *buf, size_t count)
 {
 	if (write_in_full(fd, buf, count) < 0) {