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pathut pid file: make sure we dont close the same fd twice. Might fix the mysterious "error 9 on netlink descriptor" crash?

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This commit is contained in:
Jean-Francois Dockes 2018-04-12 10:56:17 +02:00
parent 423dee3cb0
commit 747a04ac50
1 changed files with 10 additions and 8 deletions
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18
src/utils/pathut.cpp
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@ -813,10 +813,7 @@ out:
// alone.
Pidfile::~Pidfile()
{
if (m_fd >= 0) {
::close(m_fd);
}
m_fd = -1;
this->close();
}
pid_t Pidfile::read_pid()
@ -857,7 +854,7 @@ int Pidfile::flopen()
lockdata.l_whence = SEEK_SET;
if (fcntl(m_fd, F_SETLK, &lockdata) != 0) {
int serrno = errno;
(void)::close(m_fd);
this->close()
errno = serrno;
m_reason = "fcntl lock failed";
return -1;
@ -869,7 +866,7 @@ int Pidfile::flopen()
int operation = LOCK_EX | LOCK_NB;
if (flock(m_fd, operation) == -1) {
int serrno = errno;
(void)::close(m_fd);
this->close();
errno = serrno;
m_reason = "flock failed";
return -1;
@ -880,7 +877,7 @@ int Pidfile::flopen()
if (ftruncate(m_fd, 0) != 0) {
/* can't happen [tm] */
int serrno = errno;
(void)::close(m_fd);
this->close();
errno = serrno;
m_reason = "ftruncate failed";
return -1;
@ -915,7 +912,12 @@ int Pidfile::write_pid()
int Pidfile::close()
{
return ::close(m_fd);
int ret = -1;
if (m_fd >= 0) {
ret = ::close(m_fd);
m_fd = -1;
}
return ret;
}
int Pidfile::remove()