BPX1WTE (wait extension) example
The following code uses the #WAIT3 function to wait for
any of its children to end or stop.
For the callable service, see wait-extension (BPX1WTE, BPX4WTE) — Obtain status information for children.
For the data structures, see BPXYWAST — Map the wait status word and BPXYRLIM — Map the rlimit, rusage, and timeval structures.
and BPXYCONS — Constants used by services.
AMODE 64 callers use BPX4WTE (wait extension) example.
LA R15,WAST Resolve address of WAST
ST R15,WASTA Save address of WAST
LA R15,RUSAGE Resolve address of RUSAGE
ST R15,RUSAGEA Save address of RUSAGE
SPACE ,
CALL BPX1WTE, Wait for a child process to end +
(=A(#WAIT3), Input: function BPXYCONS +
0, Input: id type +
0, Input: id +
WASTA, ->Exit status field, BPXTWAST +
=A(WNOHANG), Input: options BPXYCONS +
RUSAGEA, ->Rusage structure, BPXYRLIM +
RETVAL, Return value: -1, 0, child PID +
RETCODE, Return code +
RSNCODE), Reason code +
VL,MF=(E,PLIST) ----------------------------------