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Don't go into infinite loop if /home/postgres/testversion/data directory is not writable.

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This commit is contained in:
Tom Lane 2001-07-03 16:49:48 +00:00
parent 86bc2d91c3
commit c8fe66dfb2
1 changed files with 7 additions and 4 deletions

11
src/backend/utils/init/miscinit.c

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.72 2001/06/20 18:07:56 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.73 2001/07/03 16:49:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -539,15 +539,18 @@ CreateLockFile(const char *filename, bool amPostmaster,
{
int fd;
char buffer[MAXPGPATH + 100];
int ntries;
int len;
int encoded_pid;
pid_t other_pid;
pid_t my_pid = getpid();
/*
* We need a loop here because of race conditions.
* We need a loop here because of race conditions. But don't loop
* forever (for example, a non-writable $PGDATA directory might cause
* a failure that won't go away). 100 tries seems like plenty.
*/
for (;;)
for (ntries = 0; ; ntries++)
{
/*
@ -560,7 +563,7 @@ CreateLockFile(const char *filename, bool amPostmaster,
/*
* Couldn't create the pid file. Probably it already exists.
*/
if (errno != EEXIST && errno != EACCES)
if ((errno != EEXIST && errno != EACCES) || ntries > 100)
elog(FATAL, "Can't create lock file %s: %m", filename);
/*