event must be processed in the main loop of the program. A signal will cause ... signals can be processed in the main loop of the program, otherwise select () would blockClock command/status */ long constant; /* PLL (phase-locked loop) time constant */ long precision; /* Clock precision (microseconds ... read-write) Enable phase-locked loop (PLL) u…Clock command/status */ long constant; /* PLL (phase-locked loop) time constant */ long precision; /* Clock precision (microseconds ... read-write) Enable phase-locked loop (PLL) u…ready". Thus, if using select () within a loop, the sets must be reinitialized before each ... timeval for multiple select ()s in a loop without reinitializing it. Consider timeoutready". Thus, if using select () within a loop, the sets must be reinitialized before each ... timeval for multiple select ()s in a loop without reinitializing it. Consider timeoutready". Thus, if using select () within a loop, the sets must be reinitialized before each ... timeval for multiple select ()s in a loop without reinitializing it. Consider timeoutsecond thread, which sits in a loop processing input from the userfaultfd file descriptor ... each loop iteration, the second thread first calls poll (2) to check the stateapplication could handle this possibility using a loop that retries the call (perhaps ... buflen == -1) { perror("listxattr"); exit(EXIT_FAILURE); } /* * Loop over the list of zero…application could handle this possibility using a loop that retries the call (perhaps ... buflen == -1) { perror("listxattr"); exit(EXIT_FAILURE); } /* * Loop over the list of zero…application could handle this possibility using a loop that retries the call (perhaps ... buflen == -1) { perror("listxattr"); exit(EXIT_FAILURE); } /* * Loop over the list of zero…writing 14 to efd Child completed write loop Parent about to read Parent read ... EXIT_FAILURE, "write"); } printf("Child completed write loop\n"); exit(EXIT_SUCCESS); default: sle…pages read-only, and then executes a loop that walks upward through the allocated region ... char *p = buffer ; ; ) *(p++) = 'a'; printf("Loop completed\n"); /* Should never happen…writing 14 to efd Child completed write loop Parent about to read Parent read ... EXIT_FAILURE, "write"); } printf("Child completed write loop\n"); exit(EXIT_SUCCESS); default: sle…pages read-only, and then executes a loop that walks upward through the allocated region ... char *p = buffer ; ; ) *(p++) = 'a'; printf("Loop completed\n"); /* Should never happen…notif_sizes sizes; allocSeccompNotifBuffers(&req, &resp, &sizes); /* Loop handling notifications */ for (;;) { /* Wait for next notification ... then the supervisor breaks out of t…wish to check for EAGAIN and loop, just as with EINTR . Some implementations definepriority, and enters the main scheduling loop. idle () never returns. Only process 0 may callexit status. The parent process executes a loop that monitors the child using waitpidwish to check for EAGAIN and loop, just as with EINTR . Some implementations defineexit status. The parent process executes a loop that monitors the child using waitpid