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af_unix: make sure to keep useful errno

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Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Serge Hallyn 2013-03-04 10:47:58 -06:00
parent 65a2d6b2ba
commit dba104c82e
1 changed files with 6 additions and 0 deletions
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6
src/lxc/af_unix.c
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@ -56,12 +56,16 @@ int lxc_af_unix_open(const char *path, int type, int flags)
path[0]?strlen(path):sizeof(addr.sun_path)); path[0]?strlen(path):sizeof(addr.sun_path));
if (bind(fd, (struct sockaddr *)&addr, sizeof(addr))) { if (bind(fd, (struct sockaddr *)&addr, sizeof(addr))) {
int tmp = errno;
close(fd); close(fd);
errno = tmp;
return -1; return -1;
} }
if (type == SOCK_STREAM && listen(fd, 100)) { if (type == SOCK_STREAM && listen(fd, 100)) {
int tmp = errno;
close(fd); close(fd);
errno = tmp;
return -1; return -1;
} }
@ -99,7 +103,9 @@ int lxc_af_unix_connect(const char *path)
path[0]?strlen(path):sizeof(addr.sun_path)); path[0]?strlen(path):sizeof(addr.sun_path));
if (connect(fd, (struct sockaddr *)&addr, sizeof(addr))) { if (connect(fd, (struct sockaddr *)&addr, sizeof(addr))) {
int tmp = errno;
close(fd); close(fd);
errno = tmp;
return -1; return -1;
} }