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 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 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*/ 49