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libsysprof: extend LD_PRELOAD when pre-existing

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This commit is contained in:
Christian Hergert
2020-02-21 12:40:25 -08:00
parent 9b52e88d3a
commit cd2c2c954a
1 changed files with 14 additions and 4 deletions
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18
src/libsysprof/sysprof-memprof-source.c
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@ -36,11 +36,21 @@ sysprof_memprof_source_modify_spawn (SysprofSource *source,
g_assert (SYSPROF_IS_SOURCE (source));
g_assert (SYSPROF_IS_SPAWNABLE (spawnable));
#ifdef __linux__
sysprof_spawnable_setenv (spawnable, "G_SLICE", "always-malloc");
sysprof_spawnable_setenv (spawnable,
"LD_PRELOAD",
PACKAGE_LIBEXECDIR"/libsysprof-memory-"API_VERSION_S".so");
#ifdef __linux__
{
static const gchar so_path[] = PACKAGE_LIBEXECDIR"/libsysprof-memory-"API_VERSION_S".so";
g_autofree gchar *freeme = NULL;
const gchar *ld_preload;
if (!(ld_preload = sysprof_spawnable_getenv (spawnable, "LD_PRELOAD")))
sysprof_spawnable_setenv (spawnable, "LD_PRELOAD", so_path);
else
sysprof_spawnable_setenv (spawnable,
"LD_PRELOAD",
(freeme = g_strdup_printf ("%s:%s", so_path, ld_preload)));
}
#endif
}