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tests: Preload mocks with DYLD_INSERT_LIBRARIES on macOS

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LD_PRELOAD has no effect on macOS. Instead, dyld(1) provides a way for
symbol hooking via DYLD_INSERT_LIBRARIES. The variable should contain
colon-separated paths to the dylibs to be inserted.

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
This commit is contained in:
Roman Bolshakov 2019-08-21 19:13:15 +03:00 committed by Daniel P. Berrangé
parent dbb5e20ede
commit 351492e304
1 changed files with 8 additions and 2 deletions
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10
tests/testutils.h
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@ -117,9 +117,15 @@ int virTestMain(int argc,
return virTestMain(argc, argv, func, NULL); \
}
#ifdef __APPLE__
# define PRELOAD_VAR "DYLD_INSERT_LIBRARIES"
#else
# define PRELOAD_VAR "LD_PRELOAD"
#endif
#define VIR_TEST_PRELOAD(lib) \
do { \
const char *preload = getenv("LD_PRELOAD"); \
const char *preload = getenv(PRELOAD_VAR); \
if (preload == NULL || strstr(preload, lib) == NULL) { \
char *newenv; \
if (!virFileIsExecutable(lib)) { \
@ -132,7 +138,7 @@ int virTestMain(int argc,
perror("virAsprintf"); \
return EXIT_FAILURE; \
} \
setenv("LD_PRELOAD", newenv, 1); \
setenv(PRELOAD_VAR, newenv, 1); \
execv(argv[0], argv); \
} \
} while (0)