8fce476c81
In this PR I'm changing the way we provide the missing functions like strnlen() on z/OS from the separate header file to a wrapper around the system headers that declare these functions. This will be less intrusive. --------- Co-authored-by: Zibi Sarbinowski <zibi@ca.ibm.com>
83 lines
3.4 KiB
C++
83 lines
3.4 KiB
C++
//===-- 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
|