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usernsexec: init log fd

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lxc-usernsexec uses some functions (e.g. lxc_map_ids()), which are part of
the lxc library and thus use the WARN etc. macros to emit log messages.
However, it doesn't initialize the log in any way, so these messages go
into the ether.

lxc-usernsexec currently has no log parameters, so let's just log these to
stderr. Someone can do something fancier later if they want.

Signed-off-by: Tycho Andersen <tycho@tycho.ws>
This commit is contained in:
Tycho Andersen 2018-03-12 09:39:37 -06:00
parent f392f4edf3
commit 2d22b22dd4
1 changed files with 4 additions and 0 deletions
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4
src/lxc/cmd/lxc_usernsexec.c
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@ -53,6 +53,8 @@
#define MS_SLAVE (1 << 19)
#endif
extern int lxc_log_fd;
int unshare(int flags);
static void usage(const char *name)
@ -274,6 +276,8 @@ int main(int argc, char *argv[])
int pipe1[2], /* child tells parent it has unshared */
pipe2[2]; /* parent tells child it is mapped and may proceed */
lxc_log_fd = STDERR_FILENO;
memset(ttyname0, '\0', sizeof(ttyname0));
memset(ttyname1, '\0', sizeof(ttyname1));
memset(ttyname2, '\0', sizeof(ttyname2));