#include "../../memcheck.h" #include "scalar.h" #include <unistd.h> #include <sched.h> #include <signal.h> #include <sys/shm.h> // See memcheck/tests/x86-linux/scalar.c for an explanation of what this test // is doing. int main(void) { // uninitialised, but we know px[0] is 0x0 long* px = malloc(sizeof(long)); long x0 = px[0]; long res; VALGRIND_MAKE_MEM_NOACCESS(0, 0x1000); // The nocancel syscalls all use the same wrappers as the corresponding // non-nocancel syscall. This means that if we try to test both in the // same file, the nocancel ones won't result in errors being generated // because errors are too similar. So we test them in this separate file. // __NR_read_nocancel 396 // __NR_write_nocancel 397 // __NR_open_nocancel 398 // __NR_close_nocancel 399 // __NR_wait4_nocancel 400 // __NR_recvmsg_nocancel 401 // __NR_sendmsg_nocancel 402 // __NR_recvfrom_nocancel 403 // __NR_accept_nocancel 404 // __NR_msync_nocancel 405 // __NR_fcntl_nocancel 406 // __NR_select_nocancel 407 // __NR_fsync_nocancel 408 // __NR_connect_nocancel 409 // __NR_sigsuspend_nocancel 410 GO(__NR_sigsuspend_nocancel, 410, "ignore"); // (I don't know how to test this...) // __NR_readv_nocancel 411 // __NR_writev_nocancel 412 // __NR_sendto_nocancel 413 // __NR_pread_nocancel 414 // __NR_pwrite_nocancel 415 // __NR_waitid_nocancel 416 // __NR_poll_nocancel 417 // __NR_msgsnd_nocancel 418 // __NR_msgrcv_nocancel 419 // The error doesn't appear because it's a dup of the one from sem_wait. GO(__NR_sem_wait_nocancel, 420, "1s 0m"); SY(__NR_sem_wait_nocancel, x0); FAIL; // __NR_aio_suspend_nocancel 421 // __NR___sigwait_nocancel 422 // __NR___semwait_signal_nocancel 423 return 0; }