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Processing (Linux): don't leave zombie processes

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This commit is contained in:
李通洲
2023-07-15 00:33:18 +08:00
parent 872b108e52
commit 87ebdef8df
1 changed files with 9 additions and 1 deletions
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src/common/processing_linux.c
+9 -1
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@@ -9,9 +9,17 @@
#include <poll.h>
#include <fcntl.h>
#include <errno.h>
#include <wait.h>
enum { FF_PIPE_BUFSIZ = 4096 };
static inline void waitpid_wrapper(pid_t* pid)
{
// remove zombie processes
if (*pid > 0)
waitpid(*pid, NULL, 0);
}
const char* ffProcessAppendOutput(FFstrbuf* buffer, char* const argv[], bool useStdErr)
{
int pipes[2];
@@ -19,7 +27,7 @@ const char* ffProcessAppendOutput(FFstrbuf* buffer, char* const argv[], bool use
if(pipe(pipes) == -1)
return "pipe() failed";
pid_t childPid = fork();
__attribute__((__cleanup__(waitpid_wrapper))) pid_t childPid = fork();
if(childPid == -1)
return "fork() failed";