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LIB: A more efficient fix than commit 87d3cb5 to eliminate the spurious 'dyld: DYLD_ environment variables being ignored' stderr messages on Mac OS X 10.8.

This commit is contained in:
Charlie Fenton 2014-07-08 00:16:12 -07:00
parent 6ad292cbdc
commit 5c475782fe
1 changed files with 6 additions and 18 deletions
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24
lib/procinfo_mac.cpp
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@ -52,8 +52,7 @@ int procinfo_setup(PROC_MAP& pm) {
char* lf;
static long iBrandID = -1;
int priority;
char env1[1024], env2[1024];
if (iBrandID < 0) {
iBrandID = BOINC_BRAND_ID;
@ -66,14 +65,6 @@ int procinfo_setup(PROC_MAP& pm) {
}
}
// Temporarily remove some environment vraiables which cause 'ps' to write
// some stuff to stderr on 10.8
//
safe_strcpy(getenv("DYLD_LIBRARY_PATH"), env1);
safe_strcpy(getenv("LD_LIBRARY_PATH"), env2);
unsetenv("DYLD_LIBRARY_PATH");
unsetenv("LD_LIBRARY_PATH");
#if SHOW_TIMING
UnsignedWide start, end, elapsed;
@ -110,8 +101,11 @@ int procinfo_setup(PROC_MAP& pm) {
// This eliminates the need to install our own application which runs setuid
// root; this was perceived by some users as a security risk.
fd = popen("ps -axcopid,ppid,rss,vsz,pagein,pri,time,command", "r");
// Under OS 10.8.x (only) ps writes a spurious warning to stderr if called
// from a process that has the DYLD_LIBRARY_PATH environment variable set.
// "env -i command" prevents the command from inheriting the caller's
// environment, which avoids the spurious warning.
fd = popen("env -i ps -axcopid,ppid,rss,vsz,pagein,pri,time,command", "r");
if (!fd) return ERR_FOPEN;
// Skip over the header line
@ -174,11 +168,5 @@ int procinfo_setup(PROC_MAP& pm) {
#endif
find_children(pm);
// Put back the environment variables previously removed
//
setenv("DYLD_LIBRARY_PATH", env1, 1);
setenv("LD_LIBRARY_PATH", env2, 1);
return 0;
}