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author | Dave Cobbley <david.j.cobbley@linux.intel.com> | 2018-08-14 20:05:37 +0300 |
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committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2018-08-23 04:26:31 +0300 |
commit | eb8dc40360f0cfef56fb6947cc817a547d6d9bc6 (patch) | |
tree | de291a73dc37168da6370e2cf16c347d1eba9df8 /poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch | |
parent | 9c3cf826d853102535ead04cebc2d6023eff3032 (diff) | |
download | openbmc-eb8dc40360f0cfef56fb6947cc817a547d6d9bc6.tar.xz |
[Subtree] Removing import-layers directory
As part of the move to subtrees, need to bring all the import layers
content to the top level.
Change-Id: I4a163d10898cbc6e11c27f776f60e1a470049d8f
Signed-off-by: Dave Cobbley <david.j.cobbley@linux.intel.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Diffstat (limited to 'poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch')
-rw-r--r-- | poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch b/poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch new file mode 100644 index 000000000..46b187e5f --- /dev/null +++ b/poky/meta/recipes-devtools/unfs3/unfs3/fix_pid_race_parent_writes_child_pid.patch @@ -0,0 +1,61 @@ +daemon.c: Fix race window for writing of the pid file + +The parent process should write the pid file such that the pid file +will can be checked immediately following exit of the fork from the +parent. + +This allows external monitoring applications to watch the daemon +without having to add sleep calls to wait for the pid file be written +on a busy system. + +Signed-off-by: Jason Wessel <jason.wessel@windriver.com> + +Upstream-Status: Submitted http://sourceforge.net/p/unfs3/bugs/5/ + +--- + daemon.c | 12 +++++++++--- + 1 file changed, 9 insertions(+), 3 deletions(-) + +--- a/daemon.c ++++ b/daemon.c +@@ -153,7 +153,7 @@ int get_socket_type(struct svc_req *rqst + /* + * write current pid to a file + */ +-static void create_pid_file(void) ++static void create_pid_file(int pid) + { + char buf[16]; + int fd, res, len; +@@ -175,7 +175,7 @@ static void create_pid_file(void) + } + #endif + +- sprintf(buf, "%i\n", backend_getpid()); ++ sprintf(buf, "%i\n", pid); + len = strlen(buf); + + res = backend_pwrite(fd, buf, len, 0); +@@ -970,6 +970,10 @@ int main(int argc, char **argv) + fprintf(stderr, "could not fork into background\n"); + daemon_exit(0); + } ++ if (pid) ++ create_pid_file(pid); ++ } else { ++ create_pid_file(backend_getpid()); + } + #endif /* WIN32 */ + +@@ -1006,8 +1010,10 @@ int main(int argc, char **argv) + /* no umask to not screw up create modes */ + umask(0); + ++#ifdef WIN32 + /* create pid file if wanted */ +- create_pid_file(); ++ create_pid_file(backend_getpid()); ++#endif + + /* initialize internal stuff */ + fh_cache_init(); |