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Diffstat (limited to 'final/runtime/src/kmp_environment.h')
-rw-r--r-- | final/runtime/src/kmp_environment.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/final/runtime/src/kmp_environment.h b/final/runtime/src/kmp_environment.h new file mode 100644 index 0000000..474aa34 --- /dev/null +++ b/final/runtime/src/kmp_environment.h @@ -0,0 +1,78 @@ +/* + * 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... +} +__kmp_env_block_free( & block ); +*/ + +struct __kmp_env_var { + char *name; + char *value; +}; +typedef struct __kmp_env_var kmp_env_var_t; + +struct __kmp_env_blk { + char *bulk; + kmp_env_var_t *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 // |