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changeset 399:152504e6be32

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Let's spin until fcntl does not return EINTR due to a signal. --- mylocking.c 16 Jun 2004 21:11:54 -0000 1.3 +++ mylocking.c 13 Jan 2005 08:56:24 -0000 @@ -34,7 +34,9 @@ locktype.l_whence = SEEK_SET; locktype.l_start = 0; locktype.l_len = 0; - mylock = fcntl(fd, F_SETLKW, &locktype); + do { + mylock = fcntl(fd, F_SETLKW, &locktype); + while(mylock < 0 && errno == EINTR); return mylock; } @@ -45,7 +47,9 @@ struct flock locktype; locktype.l_type = F_UNLCK; - myunlock = fcntl(fd, F_SETLKW, &locktype); + do { + myunlock = fcntl(fd, F_SETLKW, &locktype); + while(myunlock < 0 && errno == EINTR) return myunlock; }
author mmj
date Thu, 13 Jan 2005 19:57:32 +1100
parents 26be35779e13
children 2c03919b9adf
files src/mylocking.c
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/mylocking.c	Tue Dec 14 21:13:21 2004 +1100
+++ b/src/mylocking.c	Thu Jan 13 19:57:32 2005 +1100
@@ -34,7 +34,9 @@
 	locktype.l_whence = SEEK_SET;
 	locktype.l_start = 0;
 	locktype.l_len = 0;
+	do {
 	mylock = fcntl(fd, F_SETLKW, &locktype);
+	while(mylock < 0 && errno == EINTR);
 
 	return mylock;
 }
@@ -45,7 +47,9 @@
 	struct flock locktype;
 
 	locktype.l_type = F_UNLCK;
+	do {
 	myunlock = fcntl(fd, F_SETLKW, &locktype);
+	while(myunlock < 0 && errno == EINTR)
 
 	return myunlock;
 }