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Diffstat (limited to 'src/util/u_process.c')
-rw-r--r-- | src/util/u_process.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/util/u_process.c b/src/util/u_process.c new file mode 100644 index 00000000000..5bf3f56db4e --- /dev/null +++ b/src/util/u_process.c @@ -0,0 +1,118 @@ +/* + * Copyright © 2003 Felix Kuehling + * Copyright © 2018 Advanced Micro Devices, 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 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 COPYRIGHT HOLDERS, 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + */ + +#include "u_process.h" +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +#undef GET_PROGRAM_NAME + +#if (defined(__GNU_LIBRARY__) || defined(__GLIBC__)) && !defined(__UCLIBC__) +# if !defined(__GLIBC__) || (__GLIBC__ < 2) +/* These aren't declared in any libc5 header */ +extern char *program_invocation_name, *program_invocation_short_name; +# endif +static const char * +__getProgramName() +{ + char * arg = strrchr(program_invocation_name, '/'); + if (arg) + return arg+1; + else + return program_invocation_name; +} +# define GET_PROGRAM_NAME() __getProgramName() +#elif defined(__CYGWIN__) +# define GET_PROGRAM_NAME() program_invocation_short_name +#elif defined(__FreeBSD__) && (__FreeBSD__ >= 2) +# include <osreldate.h> +# if (__FreeBSD_version >= 440000) +# define GET_PROGRAM_NAME() getprogname() +# endif +#elif defined(__NetBSD__) && defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106000100) +# define GET_PROGRAM_NAME() getprogname() +#elif defined(__DragonFly__) +# define GET_PROGRAM_NAME() getprogname() +#elif defined(__APPLE__) +# define GET_PROGRAM_NAME() getprogname() +#elif defined(ANDROID) +# define GET_PROGRAM_NAME() getprogname() +#elif defined(__sun) +/* Solaris has getexecname() which returns the full path - return just + the basename to match BSD getprogname() */ +# include <libgen.h> + +static const char * +__getProgramName() +{ + static const char *progname; + + if (progname == NULL) { + const char *e = getexecname(); + if (e != NULL) { + /* Have to make a copy since getexecname can return a readonly + string, but basename expects to be able to modify its arg. */ + char *n = strdup(e); + if (n != NULL) { + progname = basename(n); + } + } + } + return progname; +} + +# define GET_PROGRAM_NAME() __getProgramName() +#endif + +#if !defined(GET_PROGRAM_NAME) +# if defined(__OpenBSD__) || defined(NetBSD) || defined(__UCLIBC__) || defined(ANDROID) +/* This is a hack. It's said to work on OpenBSD, NetBSD and GNU. + * Rogelio M.Serrano Jr. reported it's also working with UCLIBC. It's + * used as a last resort, if there is no documented facility available. */ +static const char * +__getProgramName() +{ + extern const char *__progname; + char * arg = strrchr(__progname, '/'); + if (arg) + return arg+1; + else + return __progname; +} +# define GET_PROGRAM_NAME() __getProgramName() +# else +# define GET_PROGRAM_NAME() "" +# pragma message ( "Warning: Per application configuration won't work with your OS version." ) +# endif +#endif + +const char * +util_get_process_name(void) +{ + return GET_PROGRAM_NAME(); +} |