ef536b413e
When using posix_spawn or fork to launch a child process, the parent
needs to wait for the child, otherwise the dead child is left as a
zombie process. For this purpose one can install a signal handler for
SIGCHLD.
2019-05-19 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/90038
* intrinsics/execute_command_line (sigchld_handler): New function.
(execute_command_line): Install handler for SIGCHLD.
* configure.ac: Check for presence of sigaction and waitpid.
* config.h.in: Regenerated.
* configure: Regenerated.
Regtested on x86_64-pc-linux-gnu.
From-SVN: r271384
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| .. | ||
| abort.c | ||
| access.c | ||
| args.c | ||
| associated.c | ||
| c99_functions.c | ||
| chdir.c | ||
| chmod.c | ||
| clock.c | ||
| cpu_time.c | ||
| cshift0.c | ||
| ctime.c | ||
| date_and_time.c | ||
| dprod_r8.f90 | ||
| dtime.c | ||
| env.c | ||
| eoshift0.c | ||
| eoshift2.c | ||
| erfc_scaled_inc.c | ||
| erfc_scaled.c | ||
| etime.c | ||
| execute_command_line.c | ||
| exit.c | ||
| extends_type_of.c | ||
| f2c_specifics.F90 | ||
| fnum.c | ||
| gerror.c | ||
| getcwd.c | ||
| getlog.c | ||
| getXid.c | ||
| hostnm.c | ||
| ierrno.c | ||
| is_contiguous.c | ||
| ishftc.c | ||
| kill.c | ||
| link.c | ||
| move_alloc.c | ||
| mvbits.c | ||
| pack_generic.c | ||
| perror.c | ||
| rand.c | ||
| random_init.f90 | ||
| random.c | ||
| rename.c | ||
| reshape_generic.c | ||
| reshape_packed.c | ||
| selected_char_kind.c | ||
| selected_int_kind.f90 | ||
| selected_real_kind.f90 | ||
| signal.c | ||
| size.c | ||
| sleep.c | ||
| spread_generic.c | ||
| stat.c | ||
| string_intrinsics_inc.c | ||
| string_intrinsics.c | ||
| symlnk.c | ||
| system_clock.c | ||
| system.c | ||
| time_1.h | ||
| time.c | ||
| umask.c | ||
| unlink.c | ||
| unpack_generic.c | ||