os: add os_get_process_name() function

v2: explicitly test for BSD/APPLE, #warning for unexpected
environments.

2 files changed, 132 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/os/os_process.c b/src/gallium/auxiliary/os/os_process.c
new file mode 100644
index 00000000000..05576893227
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_process.c
@@ -0,0 +1,92 @@
+/**************************************************************************
+ *
+ * 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(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
+#  include <stdlib.h>
+#elif defined(__GLIBC__)
+#  include <errno.h>
+#else
+#warning unexpected platform in os_process.c
+#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;
+#if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
+   char szProcessPath[MAX_PATH];
+   char *lpProcessName;
+   char *lpProcessExt;
+
+   GetModuleFileNameA(NULL, szProcessPath, Elements(szProcessPath));
+
+   lpProcessName = strrchr(szProcessPath, '\\');
+   lpProcessName = lpProcessName ? lpProcessName + 1 : szProcessPath;
+
+   lpProcessExt = strrchr(lpProcessName, '.');
+   if (lpProcessExt) {
+      *lpProcessExt = '\0';
+   }
+
+   name = lpProcessName;
+
+#elif defined(PIPE_OS_BSD) || defined(PIPE_OS_APPLE)
+   /* *BSD and OS X */
+   name = getprogname();
+#elif defined(__GLIBC__)
+   name = program_invocation_short_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;
+   }
+}
diff --git a/src/gallium/auxiliary/os/os_process.h b/src/gallium/auxiliary/os/os_process.h
new file mode 100644
index 00000000000..0d50ddc6add
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_process.h
@@ -0,0 +1,40 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#ifndef OS_PROCESS_H
+#define OS_PROCESS_H
+
+
+#include "pipe/p_compiler.h"
+
+
+extern boolean
+os_get_process_name(char *str, size_t size);
+
+
+#endif /* OS_PROCESS_H */