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Use rb_fork_ruby for --help pager

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Instead of `rb_fork`, to update `current_fork_gen` which has been
introduced at 3563e1383fe4ce13168cd3b9f4d5222d69d00061.

Otherwise, the forked process attempts to stop the timer thread, but
raises an exception because the thread is not alive in the child and
dies because already no tag is present at that time.
This commit is contained in:
Nobuyoshi Nakada 2023-05-21 16:47:14 +09:00
parent 4f4bc13eb9
commit 0867588980
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GPG Key ID: 7CD2805BFA3770C6
Notes: git 2023-05-21 10:53:47 +00:00 
Merged: https://github.com/ruby/ruby/pull/7833
1 changed files with 3 additions and 1 deletions
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ruby.c
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@ -1824,6 +1824,8 @@ env_var_truthy(const char *name)
}
#endif
rb_pid_t rb_fork_ruby(int *status);
static VALUE
process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
{
@ -1860,7 +1862,7 @@ process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
#ifdef HAVE_WORKING_FORK
int fds[2];
if (rb_pipe(fds) == 0) {
rb_pid_t pid = rb_fork();
rb_pid_t pid = rb_fork_ruby(NULL);
if (pid > 0) {
/* exec PAGER with reading from child */
dup2(fds[0], 0);