インテル® Fortran コンパイラー 14.0 ユーザー・リファレンス・ガイド

PXFGETPID

POSIX Subroutine: Gets the process ID of the calling process.

モジュール

USE IFPOSIX

CALL PXFGETPID (ipid,ierror)

ipid

(Output) INTEGER(4). The returned process ID.

ierror

(Output) INTEGER(4). The error status.

If successful, ierror is set to zero; otherwise, an error code.

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

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