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Fix: zsh doesn't exit with 141 code

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This commit is contained in:
Nikita Ivanov 2022-06-10 16:38:17 +05:00
parent ca85b5c017
commit 2542e530c4
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GPG Key ID: 6E656AC5B97B5133
4 changed files with 33 additions and 17 deletions
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13
src/preview.c
View File

@ -1,4 +1,5 @@
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include "utils.h"
@ -115,7 +116,7 @@ static void check_init_previews(void)
}
}
static int run(Preview *p, int *exitcode)
static int run(Preview *p, int *exitcode, int *signal)
{
int pipe_fds[2];
ERRCHK_RET(pipe(pipe_fds) == -1, FUNCFAILED("pipe"), ERRNOS);
@ -124,7 +125,7 @@ static int run(Preview *p, int *exitcode)
char *script = prepend_helpers(p->script, p->script_len);
char *args[] = SHELL_ARGS(script);
int ret = spawn(args, NULL, exitcode, spawn_redirect, sp_arg);
int ret = spawn(args, NULL, exitcode, signal, spawn_redirect, sp_arg);
free(script);
close(pipe_fds[1]);
@ -179,7 +180,7 @@ int preview_run(const char *ext, const char *mimetype, PreviewArgs *pa)
Preview *p;
size_t i = 0;
int exitcode;
int exitcode, signal;
char mimetype_c[MIMETYPE_MAX], *t, *s;
strncpy(mimetype_c, mimetype, LEN(mimetype_c) - 1);
@ -192,7 +193,8 @@ run:
return ERR;
}
ERRCHK_RET_OK(run(p, &exitcode));
ERRCHK_RET_OK(run(p, &exitcode, &signal));
switch (exitcode) {
case FAILED_PREVIEW_EC:
i++;
@ -202,6 +204,9 @@ run:
break;
}
if (signal == SIGPIPE)
exitcode = 0;
return exitcode == 0 ? OK : ERR;
}

8
src/server.c
View File

@ -26,7 +26,7 @@ static void kill_ueberzug(void)
PRINTINTERR(FUNCFAILED("kill"), ERRNOS);
}
spawn_wait(ueberzug_pid, NULL);
spawn_wait(ueberzug_pid, NULL, NULL);
}
static void sig_handler_exit(int s)
@ -67,7 +67,7 @@ static int listen(char *fifo)
char *args[] = { "ueberzug", "layer", NULL };
int sp_arg[] = { pipe_fds[1], pipe_fds[0], STDIN_FILENO };
if (spawn(args, &ueberzug_pid, NULL, spawn_redirect, sp_arg) != OK)
if (spawn(args, &ueberzug_pid, NULL, NULL, spawn_redirect, sp_arg) != OK)
ret = ERR;
close(pipe_fds[0]);
@ -126,7 +126,7 @@ exit:
static int check_ueberzug(int *exitcode)
{
char *args[] = SHELL_ARGS("command -v ueberzug > /dev/null");
return spawn(args, NULL, exitcode, NULL, NULL);
return spawn(args, NULL, exitcode, NULL, NULL, NULL);
}
static void get_fifo_name(char *buf, size_t len, const char *id_s)
@ -176,7 +176,7 @@ static int run_script(char *script, size_t script_len, char *arg)
char *s = prepend_helpers(script, script_len);
char *args[] = SHELL_ARGS(s, arg);
int exitcode;
ERRCHK_GOTO_OK(spawn(args, NULL, &exitcode, NULL, NULL), ret, cleanup);
ERRCHK_GOTO_OK(spawn(args, NULL, &exitcode, NULL, NULL, NULL), ret, cleanup);
cleanup:
free(s);

23
src/utils.c
View File

@ -20,13 +20,24 @@ int spawn_redirect(const void *arg)
return OK;
}
int spawn_wait(pid_t pid, int *exitcode)
int spawn_wait(pid_t pid, int *exitcode, int *signal)
{
int stat;
ERRCHK_RET(waitpid(pid, &stat, 0) == -1, FUNCFAILED("waitpid"), ERRNOS);
if (exitcode && WIFEXITED(stat))
*exitcode = WEXITSTATUS(stat);
if (exitcode)
*exitcode = -1;
if (signal)
*signal = -1;
if (WIFEXITED(stat)) {
if (exitcode)
*exitcode = WEXITSTATUS(stat);
} else if (WIFSIGNALED(stat)) {
if (signal)
*signal = WTERMSIG(stat);
}
return OK;
}
@ -39,7 +50,7 @@ int spawn_wait(pid_t pid, int *exitcode)
*
* cfunc is a function to call when child process is created
*/
int spawn(char *args[], pid_t *cpid, int *exitcode, int (*cfunc)(const void *),
int spawn(char *args[], pid_t *cpid, int *exitcode, int *signal, int (*cfunc)(const void *),
const void *carg)
{
if (exitcode)
@ -64,8 +75,8 @@ int spawn(char *args[], pid_t *cpid, int *exitcode, int (*cfunc)(const void *),
if (cpid)
*cpid = pid;
if (exitcode)
ERRCHK_RET_OK(spawn_wait(pid, exitcode));
if (exitcode || signal)
ERRCHK_RET_OK(spawn_wait(pid, exitcode, signal));
return OK;
}

6
src/utils.h
View File

@ -24,9 +24,9 @@
extern char *program;
int spawn_redirect(const void *arg);
int spawn_wait(pid_t pid, int *exitcode);
int spawn(char *args[], pid_t *cpid, int *exitcode, int (*cfunc)(const void *),
const void *carg);
int spawn_wait(pid_t pid, int *exitcode, int *signal);
int spawn(char *args[], pid_t *cpid, int *exitcode, int *signal,
int (*cfunc)(const void *), const void *carg);
int strcmpnull(const char *s1, const char *s2);
int strlennull(const char *s);