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authorDevtools Arcadia <arcadia-devtools@yandex-team.ru>2022-02-07 18:08:42 +0300
committerDevtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net>2022-02-07 18:08:42 +0300
commit1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch)
treee26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/cxxsupp/openmp/kmp_environment.h
downloadydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/cxxsupp/openmp/kmp_environment.h')
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diff --git a/contrib/libs/cxxsupp/openmp/kmp_environment.h b/contrib/libs/cxxsupp/openmp/kmp_environment.h
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+/*
+ * kmp_environment.h -- Handle environment varoiables OS-independently.
+ */
+
+
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.txt for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef KMP_ENVIRONMENT_H
+#define KMP_ENVIRONMENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Return a copy of the value of environment variable or NULL if the variable does not exist.
+// *Note*: Returned pointed *must* be freed after use with __kmp_env_free().
+char * __kmp_env_get( char const * name );
+void __kmp_env_free( char const * * value );
+
+// Return 1 if the environment variable exists or 0 if does not exist.
+int __kmp_env_exists( char const * name );
+
+// Set the environment variable.
+void __kmp_env_set( char const * name, char const * value, int overwrite );
+
+// Unset (remove) environment variable.
+void __kmp_env_unset( char const * name );
+
+
+// -------------------------------------------------------------------------------------------------
+// Working with environment blocks.
+// -------------------------------------------------------------------------------------------------
+
+/*
+ kmp_env_blk_t is read-only collection of environment variables (or environment-like). Usage:
+
+ kmp_env_blk_t block;
+ __kmp_env_blk_init( & block, NULL ); // Initialize block from process environment.
+ // or
+ __kmp_env_blk_init( & block, "KMP_WARNING=1|KMP_AFFINITY=none" ); // from string.
+ __kmp_env_blk_sort( & block ); // Optionally, sort list.
+ for ( i = 0; i < block.count; ++ i ) {
+ // Process block.vars[ i ].name and block.vars[ i ].value...
+ }; // for i
+ __kmp_env_block_free( & block );
+*/
+
+struct __kmp_env_var {
+ char const * name;
+ char const * value;
+};
+typedef struct __kmp_env_var kmp_env_var_t;
+
+struct __kmp_env_blk {
+ char const * bulk;
+ kmp_env_var_t const * vars;
+ int count;
+};
+typedef struct __kmp_env_blk kmp_env_blk_t;
+
+void __kmp_env_blk_init( kmp_env_blk_t * block, char const * bulk );
+void __kmp_env_blk_free( kmp_env_blk_t * block );
+void __kmp_env_blk_sort( kmp_env_blk_t * block );
+char const * __kmp_env_blk_var( kmp_env_blk_t * block, char const * name );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // KMP_ENVIRONMENT_H
+
+// end of file //
+