| //===-- zOSLibFunctions.cpp -----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines z/OS implementations for common functions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifdef __MVS__ |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/resource.h> |
| #include <sys/wait.h> |
| |
| const char *signalName[] = { |
| /* 0 */ nullptr, |
| /* 1 */ "Hangup", // SIGHUP |
| /* 2 */ "Interrupt", // SIGINT |
| /* 3 */ "Aborted", // SIGABRT |
| /* 4 */ "Illegal instruction", // SIGILL |
| /* 5 */ "Polling event", // SIGPOLL |
| /* 6 */ "Socket data available", // SIGURG |
| /* 7 */ "Stopped (signal)", // SIGSTOP |
| /* 8 */ "Floating point exception", // SIGFPE |
| /* 9 */ "Killed", // SIGKILL |
| /* 10 */ "Bus error", // SIGBUS |
| /* 11 */ "Segmentation fault", // SIGSEGV |
| /* 12 */ "Bad system call", // SIGSYS |
| /* 13 */ "Broken pipe", // SIGPIPE |
| /* 14 */ "Alarm clock", // SIGALRM |
| /* 15 */ "Terminated", // SIGTERM |
| /* 16 */ "User defined signal 1", // SIGUSR1 |
| /* 17 */ "User defined signal 2", // SIGUSR2 |
| /* 18 */ "Abend", // SIGABND |
| /* 19 */ "Continued", // SIGCONT |
| /* 20 */ "Child exited", // SIGCHLD |
| /* 21 */ "Stopped (tty input)", // SIGTTIN |
| /* 22 */ "Stopped (tty output)", // SIGTTOU |
| /* 23 */ "I/O complete", // SIGIO |
| /* 24 */ "Quit", // SIGQUIT |
| /* 25 */ "Stopped", // SIGTSTP |
| /* 26 */ "Trace/breakpoint trap", // SIGTRAP |
| /* 27 */ "I/O error", // SIGIOERR |
| /* 28 */ "Window changed", // SIGWINCH |
| /* 29 */ "CPU time limit exceeded", // SIGXCPU |
| /* 30 */ "File size limit exceeded", // SIGXFSZ |
| /* 31 */ "Virtual timer expired", // SIGVTALRM |
| /* 32 */ "Profiling timer expired", // SIGPROF |
| /* 33 */ "OMVS subsystem shutdown", // SIGDANGER |
| /* 34 */ "Thread stop", // SIGTHSTOP |
| /* 35 */ "Thread resume", // SIGTHCONT |
| /* 36 */ nullptr, // n/a |
| /* 37 */ "Toggle syscall trace", // SIGTRACE |
| /* 38 */ nullptr, // SIGDCE |
| /* 39 */ "System dump", // SIGDUMP |
| }; |
| |
| // z/OS Unix System Services does not have strsignal() support, so the |
| // strsignal() function is implemented here. |
| char *strsignal(int sig) { |
| if (static_cast<size_t>(sig) < (sizeof(signalName) / sizeof(signalName[0])) && |
| signalName[sig]) |
| return const_cast<char *>(signalName[sig]); |
| static char msg[256]; |
| sprintf(msg, "Unknown signal %d", sig); |
| return msg; |
| } |
| |
| // z/OS Unix System Services does not have strnlen() support, so the strnlen() |
| // function is implemented here. |
| size_t strnlen(const char *S, size_t MaxLen) { |
| const char *PtrToNullChar = |
| static_cast<const char *>(memchr(S, '\0', MaxLen)); |
| return PtrToNullChar ? PtrToNullChar - S : MaxLen; |
| } |
| #endif |
