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8234262: Unmask SIGQUIT in a child process

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Reviewed-by: bpb, dholmes, vtewari, stuefe, alanb
This commit is contained in:
Roger Riggs 2022-09-26 15:55:22 +00:00
parent 968af74de4
commit 5ae6bc23e8
3 changed files with 59 additions and 1 deletions
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7
src/java.base/unix/native/jspawnhelper/jspawnhelper.c
View file

@ -25,6 +25,7 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -132,6 +133,7 @@ int main(int argc, char *argv[]) {
struct stat buf;
/* argv[0] contains the fd number to read all the child info */
int r, fdin, fdout;
sigset_t unblock_signals;
r = sscanf (argv[argc-1], "%d:%d", &fdin, &fdout);
if (r == 2 && fcntl(fdin, F_GETFD) != -1) {
@ -141,6 +143,11 @@ int main(int argc, char *argv[]) {
} else {
shutItDown();
}
// Reset any mask signals from parent
sigemptyset(&unblock_signals);
sigprocmask(SIG_SETMASK, &unblock_signals, NULL);
initChildStuff (fdin, fdout, &c);
childProcess (&c);

1
src/java.base/unix/native/libjava/ProcessImpl_md.c
View file

@ -773,4 +773,3 @@ Java_java_lang_ProcessImpl_forkAndExec(JNIEnv *env,
closeSafely(err[0]); err[0] = -1;
goto Finally;
}