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Use waitpid on compress to avoid defunct processes
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Stephen Seo 2024-07-17 19:00:34 +09:00
parent fe04dc7018
commit af235ff878
2 changed files with 10 additions and 5 deletions
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13
src/archiver.c
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@ -29,6 +29,7 @@
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <spawn.h> #include <spawn.h>
#include <sys/wait.h>
#include <unistd.h> #include <unistd.h>
#endif #endif
@ -123,6 +124,7 @@ int write_files_fn(void *data, void *ud) {
int pipe_into_cmd[2]; int pipe_into_cmd[2];
int pipe_outof_cmd[2]; int pipe_outof_cmd[2];
pid_t compressor_pid;
if (pipe(pipe_into_cmd) != 0) { if (pipe(pipe_into_cmd) != 0) {
// Unable to create pipes. // Unable to create pipes.
@ -147,7 +149,8 @@ int write_files_fn(void *data, void *ud) {
close(pipe_outof_cmd[1]); close(pipe_outof_cmd[1]);
return 1; return 1;
} else if (simple_archiver_de_compress(pipe_into_cmd, pipe_outof_cmd, } else if (simple_archiver_de_compress(pipe_into_cmd, pipe_outof_cmd,
state->parsed->compressor) != 0) { state->parsed->compressor,
&compressor_pid) != 0) {
// Failed to spawn compressor. // Failed to spawn compressor.
close(pipe_into_cmd[1]); close(pipe_into_cmd[1]);
close(pipe_outof_cmd[0]); close(pipe_outof_cmd[0]);
@ -231,6 +234,8 @@ int write_files_fn(void *data, void *ud) {
} }
} }
waitpid(compressor_pid, NULL, 0);
uint16_t u16; uint16_t u16;
uint64_t u64; uint64_t u64;
@ -705,7 +710,7 @@ int simple_archiver_print_archive_info(FILE *in_f) {
} }
int simple_archiver_de_compress(int pipe_fd_in[2], int pipe_fd_out[2], int simple_archiver_de_compress(int pipe_fd_in[2], int pipe_fd_out[2],
const char *cmd) { const char *cmd, void *pid_out) {
#if SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_COSMOPOLITAN || \ #if SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_COSMOPOLITAN || \
SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_MAC || \ SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_MAC || \
SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_LINUX SIMPLE_ARCHIVER_PLATFORM == SIMPLE_ARCHIVER_PLATFORM_LINUX
@ -745,8 +750,8 @@ int simple_archiver_de_compress(int pipe_fd_in[2], int pipe_fd_out[2],
simple_archiver_helper_cmd_string_argv_free_ptr))) char **cmd_argv = simple_archiver_helper_cmd_string_argv_free_ptr))) char **cmd_argv =
simple_archiver_helper_cmd_string_to_argv(cmd); simple_archiver_helper_cmd_string_to_argv(cmd);
pid_t spawned_pid; pid_t *pid_t_out = pid_out;
if (posix_spawnp(&spawned_pid, cmd_argv[0], &file_actions, NULL, cmd_argv, if (posix_spawnp(pid_t_out, cmd_argv[0], &file_actions, NULL, cmd_argv,
NULL) != 0) { NULL) != 0) {
close(pipe_fd_in[0]); close(pipe_fd_in[0]);
close(pipe_fd_out[1]); close(pipe_fd_out[1]);

2
src/archiver.h
View file

@ -57,6 +57,6 @@ int simple_archiver_print_archive_info(FILE *in_f);
/// Returns zero on success. /// Returns zero on success.
int simple_archiver_de_compress(int pipe_fd_in[2], int pipe_fd_out[2], int simple_archiver_de_compress(int pipe_fd_in[2], int pipe_fd_out[2],
const char *cmd); const char *cmd, void *pid_out);
#endif #endif