1c4762a1bSJed Brown static char help[] = "Tests signal handling.\n\n";
2c4762a1bSJed Brown
3c4762a1bSJed Brown #include <petscsys.h>
4c4762a1bSJed Brown #include <signal.h>
5c4762a1bSJed Brown
6c4762a1bSJed Brown typedef struct _handlerCtx {
7c4762a1bSJed Brown int exitHandler;
8c4762a1bSJed Brown int signum;
9c4762a1bSJed Brown } HandlerCtx;
10c4762a1bSJed Brown
handleSignal(int signum,PetscCtx ctx)11*2a8381b2SBarry Smith PetscErrorCode handleSignal(int signum, PetscCtx ctx)
12d71ae5a4SJacob Faibussowitsch {
13c4762a1bSJed Brown HandlerCtx *user = (HandlerCtx *)ctx;
14c4762a1bSJed Brown
15c4762a1bSJed Brown user->signum = signum;
16c4762a1bSJed Brown if (signum == SIGHUP) user->exitHandler = 1;
173ba16761SJacob Faibussowitsch return PETSC_SUCCESS;
18c4762a1bSJed Brown }
19c4762a1bSJed Brown
main(int argc,char * args[])20d71ae5a4SJacob Faibussowitsch int main(int argc, char *args[])
21d71ae5a4SJacob Faibussowitsch {
22c4762a1bSJed Brown HandlerCtx user;
23c4762a1bSJed Brown
24c4762a1bSJed Brown user.exitHandler = 0;
25c4762a1bSJed Brown
26327415f7SBarry Smith PetscFunctionBeginUser;
27c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help));
289566063dSJacob Faibussowitsch PetscCall(PetscPushSignalHandler(handleSignal, &user));
29c4762a1bSJed Brown while (!user.exitHandler) {
30c4762a1bSJed Brown if (user.signum > 0) {
319566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_SELF, "Caught signal %d\n", user.signum));
32c4762a1bSJed Brown user.signum = -1;
33c4762a1bSJed Brown }
34c4762a1bSJed Brown }
359566063dSJacob Faibussowitsch PetscCall(PetscPopSignalHandler());
369566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
37b122ec5aSJacob Faibussowitsch return 0;
38c4762a1bSJed Brown }
39c4762a1bSJed Brown
40c4762a1bSJed Brown /*TEST
41c4762a1bSJed Brown
42c4762a1bSJed Brown build:
43dfd57a17SPierre Jolivet requires: !defined(PETSC_MISSING_SIGHUP)
44c4762a1bSJed Brown
45c4762a1bSJed Brown test:
46c4762a1bSJed Brown TODO: need to send a signal to the process to kill it from the test harness
47c4762a1bSJed Brown
48c4762a1bSJed Brown TEST*/
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