| 1 | /* |
| 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| 3 | * |
| 4 | * Copyright (C) 2009 Pierre-Marc Fournier |
| 5 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <unistd.h> |
| 10 | #include <sys/mman.h> |
| 11 | #include <stdarg.h> |
| 12 | #include <sys/types.h> |
| 13 | #include <sys/stat.h> |
| 14 | #include <fcntl.h> |
| 15 | #include <signal.h> |
| 16 | #include <string.h> |
| 17 | /* |
| 18 | * Work-around inet.h missing struct mmsghdr forward declaration, with |
| 19 | * triggers a warning when system files warnings are enabled. |
| 20 | */ |
| 21 | struct mmsghdr; |
| 22 | #include <arpa/inet.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <stdbool.h> |
| 25 | |
| 26 | #define TRACEPOINT_DEFINE |
| 27 | #include "ust_tests_hello.h" |
| 28 | |
| 29 | void inthandler(int sig) |
| 30 | { |
| 31 | printf("in SIGUSR1 handler\n"); |
| 32 | tracepoint(ust_tests_hello, tptest_sighandler); |
| 33 | } |
| 34 | |
| 35 | int init_int_handler(void) |
| 36 | { |
| 37 | int result; |
| 38 | struct sigaction act; |
| 39 | |
| 40 | memset(&act, 0, sizeof(act)); |
| 41 | result = sigemptyset(&act.sa_mask); |
| 42 | if (result == -1) { |
| 43 | perror("sigemptyset"); |
| 44 | return -1; |
| 45 | } |
| 46 | |
| 47 | act.sa_handler = inthandler; |
| 48 | act.sa_flags = SA_RESTART; |
| 49 | |
| 50 | /* Only defer ourselves. Also, try to restart interrupted |
| 51 | * syscalls to disturb the traced program as little as possible. |
| 52 | */ |
| 53 | result = sigaction(SIGUSR1, &act, NULL); |
| 54 | if (result == -1) { |
| 55 | perror("sigaction"); |
| 56 | return -1; |
| 57 | } |
| 58 | |
| 59 | return 0; |
| 60 | } |
| 61 | |
| 62 | void test_inc_count(void); |
| 63 | |
| 64 | int main(int argc, char **argv) |
| 65 | { |
| 66 | int i, netint; |
| 67 | long values[] = { 1, 2, 3 }; |
| 68 | char text[10] = "test"; |
| 69 | double dbl = 2.0; |
| 70 | float flt = 2222.0; |
| 71 | int delay = 0; |
| 72 | bool mybool = 123; /* should print "1" */ |
| 73 | |
| 74 | init_int_handler(); |
| 75 | |
| 76 | if (argc == 2) |
| 77 | delay = atoi(argv[1]); |
| 78 | |
| 79 | fprintf(stderr, "Hello, World!\n"); |
| 80 | |
| 81 | sleep(delay); |
| 82 | |
| 83 | fprintf(stderr, "Tracing... "); |
| 84 | for (i = 0; i < 1000000; i++) { |
| 85 | netint = htonl(i); |
| 86 | tracepoint(ust_tests_hello, tptest, i, netint, values, |
| 87 | text, strlen(text), dbl, flt, mybool); |
| 88 | //usleep(100000); |
| 89 | } |
| 90 | fprintf(stderr, " done.\n"); |
| 91 | return 0; |
| 92 | } |