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treewide: Replace perror() calls with calls to logging functions

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perror() prints directly to standard error, but in many cases standard
error might be already closed, or we might want to skip logging, based
on configuration. Our logging functions provide all that.

While at it, make errors more descriptive, replacing some of the
existing basic perror-style messages.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2024-06-15 00:37:11 +02:00
parent c1140df889
commit 92a22fef93
6 changed files with 38 additions and 58 deletions

9
pasta.c
View file

@ -197,8 +197,7 @@ static int pasta_spawn_cmd(void *arg)
a = (const struct pasta_spawn_cmd_arg *)arg;
execvp(a->exe, a->argv);
perror("execvp");
exit(EXIT_FAILURE);
die_perror("Failed to start command or shell");
}
/**
@ -261,10 +260,8 @@ void pasta_start_ns(struct ctx *c, uid_t uid, gid_t gid,
CLONE_NEWUTS | CLONE_NEWNS | SIGCHLD,
(void *)&arg);
if (pasta_child_pid == -1) {
perror("clone");
exit(EXIT_FAILURE);
}
if (pasta_child_pid == -1)
die_perror("Failed to clone process with detached namespaces");
NS_CALL(pasta_wait_for_ns, c);
if (c->pasta_netns_fd < 0)