test_syssig.c

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#include <sys/time.h>
#include <sys/resource.h>
 
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <inttypes.h>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <cmocka.h>
 
#include <amxc/amxc_variant_type.h>
#include <amxc/amxc_variant.h>
 
#include <amxp/amxp_syssig.h>
#include <amxp/variant_siginfo.h>
#include <amxp_signal_priv.h>
 
#include "test_syssig.h"
 
#include <amxc/amxc_macros.h>
int sig_pipe[20] = { -1, -1 };
int count = 0;
 
int __wrap_signalfd(int fd, const sigset_t* mask, int flags);
 
static void test_slot_sigchld(const char* const sig_name,
                              const amxc_var_t* const data,
                              UNUSED void* const priv) {
    const amxp_siginfo_t* siginfo = amxc_var_constcast(amxp_siginfo_t, data);
 
    assert_ptr_not_equal(siginfo, NULL);
    assert_string_equal(sig_name, strsignal(SIGCHLD));
    assert_int_equal(siginfo->ssi_signo, SIGCHLD);
    assert_int_equal(siginfo->ssi_pid, 5012);
 
    count++;
}
 
int __wrap_signalfd(int fd, UNUSED const sigset_t* mask, UNUSED int flags) {
    if(fd == -1) {
        assert_int_equal(pipe(sig_pipe), 0);
    } else {
        assert_int_equal(fd, sig_pipe[0]);
    }
 
    return sig_pipe[0];
}
 
void test_syssig_get_fd(UNUSED void** state) {
    int fd = amxp_syssig_get_fd();
 
    assert_int_equal(fd, sig_pipe[0]);
}
 
void test_syssig_enable(UNUSED void** state) {
    sigset_t mask;
    assert_int_not_equal(amxp_syssig_enable(AMXP_SYSSIG_MAX + 1, true), 0);
 
    assert_int_equal(amxp_syssig_enable(SIGINT, true), 0);
    assert_int_equal(amxp_syssig_enable(SIGTERM, true), 0);
    assert_int_equal(amxp_syssig_enable(SIGTERM, true), 0);
    assert_int_not_equal(amxp_syssig_enable(SIGKILL, true), 0);
    assert_int_not_equal(amxp_syssig_enable(SIGSTOP, true), 0);
 
    assert_true(amxp_syssig_is_enabled(SIGINT));
    assert_true(amxp_syssig_is_enabled(SIGTERM));
    assert_false(amxp_syssig_is_enabled(SIGKILL));
    assert_false(amxp_syssig_is_enabled(SIGSTOP));
 
    sigprocmask(SIG_BLOCK, NULL, &mask);
    assert_int_equal(sigismember(&mask, SIGINT), 1);
    assert_int_equal(sigismember(&mask, SIGTERM), 1);
 
    assert_false(amxp_syssig_is_enabled(AMXP_SYSSIG_MAX + 1));
 
    assert_int_equal(amxp_syssig_enable(SIGINT, false), 0);
    assert_int_equal(amxp_syssig_enable(SIGTERM, false), 0);
    assert_int_equal(amxp_syssig_enable(SIGTERM, false), 0);
 
    assert_false(amxp_syssig_is_enabled(SIGINT));
    assert_false(amxp_syssig_is_enabled(SIGTERM));
 
    sigprocmask(SIG_BLOCK, NULL, &mask);
    assert_int_equal(sigismember(&mask, SIGINT), 0);
    assert_int_equal(sigismember(&mask, SIGTERM), 0);
}
 
void test_syssig_read(UNUSED void** state) {
    amxp_siginfo_t siginfo = {
        .ssi_signo = SIGCHLD,
        .ssi_errno = 0,
        .ssi_code = 123,
        .ssi_pid = 5012,
        .ssi_uid = 100
    };
 
    count = 0;
    assert_int_equal(amxp_syssig_enable(SIGCHLD, true), 0);
    assert_int_equal(amxp_slot_connect(NULL, strsignal(SIGCHLD), NULL, test_slot_sigchld, NULL), 0);
    assert_int_equal(write(sig_pipe[1], &siginfo, sizeof(amxp_siginfo_t)), sizeof(amxp_siginfo_t));
    assert_int_equal(amxp_syssig_read(), 0);
    assert_int_equal(count, 1);
}