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/**************************************************************************
*
* Copyright 2013 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_config.h"
#include "os/os_process.h"
#include "util/u_memory.h"
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
# include <windows.h>
#elif defined(__GLIBC__) || defined(__CYGWIN__)
# include <errno.h>
#elif defined(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
# include <stdlib.h>
#elif defined(PIPE_OS_HAIKU)
# include <kernel/OS.h>
# include <kernel/image.h>
#else
#warning unexpected platform in os_process.c
#endif
#if defined(PIPE_OS_LINUX)
# include <fcntl.h>
#endif
/**
* Return the name of the current process.
* \param procname returns the process name
* \param size size of the procname buffer
* \return TRUE or FALSE for success, failure
*/
boolean
os_get_process_name(char *procname, size_t size)
{
const char *name;
/* First, check if the GALLIUM_PROCESS_NAME env var is set to
* override the normal process name query.
*/
name = os_get_option("GALLIUM_PROCESS_NAME");
if (!name) {
/* do normal query */
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
char szProcessPath[MAX_PATH];
char *lpProcessName;
char *lpProcessExt;
GetModuleFileNameA(NULL, szProcessPath, ARRAY_SIZE(szProcessPath));
lpProcessName = strrchr(szProcessPath, '\\');
lpProcessName = lpProcessName ? lpProcessName + 1 : szProcessPath;
lpProcessExt = strrchr(lpProcessName, '.');
if (lpProcessExt) {
*lpProcessExt = '\0';
}
name = lpProcessName;
#elif defined(__GLIBC__) || defined(__CYGWIN__)
name = program_invocation_short_name;
#elif defined(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
/* *BSD and OS X */
name = getprogname();
#elif defined(PIPE_OS_HAIKU)
image_info info;
get_image_info(B_CURRENT_TEAM, &info);
name = info.name;
#else
#warning unexpected platform in os_process.c
return FALSE;
#endif
}
assert(size > 0);
assert(procname);
if (name && procname && size > 0) {
strncpy(procname, name, size);
procname[size - 1] = '\0';
return TRUE;
}
else {
return FALSE;
}
}
/**
* Return the command line for the calling process. This is basically
* the argv[] array with the arguments separated by spaces.
* \param cmdline returns the command line string
* \param size size of the cmdline buffer
* \return TRUE or FALSE for success, failure
*/
boolean
os_get_command_line(char *cmdline, size_t size)
{
#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
const char *args = GetCommandLine();
if (args) {
strncpy(cmdline, args, size);
// make sure we terminate the string
cmdline[size - 1] = 0;
return TRUE;
}
#elif defined(PIPE_OS_LINUX)
int f = open("/proc/self/cmdline", O_RDONLY);
if (f) {
const int n = read(f, cmdline, size - 1);
int i;
assert(n < size);
// The arguments are separated by '\0' chars. Convert them to spaces.
for (i = 0; i < n; i++) {
if (cmdline[i] == 0) {
cmdline[i] = ' ';
}
}
// terminate the string
cmdline[n] = 0;
close(f);
return TRUE;
}
#endif
/* XXX to-do: implement this function for other operating systems */
cmdline[0] = 0;
return FALSE;
}
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