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| author | hunt <hunt> | 2007-10-09 16:03:04 +0000 |
|---|---|---|
| committer | hunt <hunt> | 2007-10-09 16:03:04 +0000 |
| commit | 577e7ed19be74db082ba058016fd31b643495ebd (patch) | |
| tree | c395a0e02f95de53044400fba71000c9e8f5bc3b /runtime/staprun/common.c | |
| parent | a6053c5b3f42ef0e016df9074ebc75c93a79d544 (diff) | |
| download | systemtap-steved-577e7ed19be74db082ba058016fd31b643495ebd.tar.gz systemtap-steved-577e7ed19be74db082ba058016fd31b643495ebd.tar.xz systemtap-steved-577e7ed19be74db082ba058016fd31b643495ebd.zip | |
2007-10-09 Martin Hunt <hunt@redhat.com>
* common.c (set_clexec): New.
* staprun.h: Add prototype for set_clexec.
* relay*.c, ctl.c: Call set_clexec after
file opens.
Diffstat (limited to 'runtime/staprun/common.c')
| -rw-r--r-- | runtime/staprun/common.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/runtime/staprun/common.c b/runtime/staprun/common.c index d3f8835a..47778efd 100644 --- a/runtime/staprun/common.c +++ b/runtime/staprun/common.c @@ -315,3 +315,22 @@ int send_request(int type, void *data, int len) memcpy(&buf[4], data, len); return write(control_channel, buf, len+4); } + +/* + * set FD_CLOEXEC for any file descriptor + */ +int set_clexec(int fd) +{ + int val; + if ((val = fcntl(fd, F_GETFD, 0)) < 0) + goto err; + + if ((val = fcntl(fd, F_SETFD, val | FD_CLOEXEC)) < 0) + goto err; + + return 0; +err: + perr("fcntl failed"); + close(fd); + return -1; +} |