POSIX Function: Returns the exit code of a child process.
USE IFPOSIX
result = IPXFWEXITSTATUS (istat)
istat |
(Input) INTEGER(4). The value of output argument istat from PXFWAIT or PXFWAITPID. |
The result type is INTEGER(4). The result is the low-order eight bits of the output argument of PXFWAIT or PXFWAITPID.
The IPXFWEXITSTATUS function should only be used if PXFWIFEXITED returns TRUE.
program t1
use ifposix
integer(4) ipid, istat, ierror, ipid_ret, istat_ret
print *," the child process will be born"
call PXFFORK(IPID, IERROR)
call PXFGETPID(IPID_RET,IERROR)
if(IPID.EQ.0) then
print *," I am a child process"
print *," My child's pid is", IPID_RET
call PXFGETPPID(IPID_RET,IERROR)
print *," The pid of my parent is",IPID_RET
print *," Now I have exited with code 0xABCD"
call PXFEXIT(Z'ABCD')
else
print *," I am a parent process"
print *," My parent pid is ", IPID_RET
print *," I am creating the process with pid", IPID
print *," Now I am waiting for the end of the child process"
call PXFWAIT(ISTAT, IPID_RET, IERROR)
print *," The child with pid ", IPID_RET," has exited"
if( PXFWIFEXITED(ISTAT) ) then
print *, " The child exited normally"
istat_ret = IPXFWEXITSTATUS(ISTAT)
print 10," The low byte of the child exit code is", istat_ret
end if
end if
10 FORMAT (A,Z)
end program