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Boosted by cstanhope@social.coop ("Your friendly 'net denizen"):
mei@donotsta.re ("mei | fully hingeless architecture now in production") wrote:

@wren6991 @lofty one trick i've seen for dealing with fpga toolchains that i really like is to LD_PRELOAD this bad boy. makes them much less flakey.

screenshot of enterprise_malloc.c, a 30-line file with the following contents: #define _GNU_SOURCE #include <dlfcn.h> #include <pthread.h> #include <stdlib.h> #define FREE_DELAY 100000 static void *free_delay_queue[FREE_DELAY]; static int free_delay_pos; static void (*orig_free)(void *); static void *(*orig_malloc)(size_t); static pthread_mutex_t free_delay_mutex = PTHREAD_MUTEX_INITIALIZER; void free(void *ptr) { if (!ptr) return; pthread_mutex_lock(&free_delay_mutex); if (!orig_free) orig_free = dlsym(RTLD_NEXT, "free"); orig_free(free_delay_queue[free_delay_pos]); free_delay_queue[free_delay_pos] = ptr; free_delay_pos++; free_delay_pos %= FREE_DELAY; pthread_mutex_unlock(&free_delay_mutex); } void *malloc(size_t sz) { pthread_mutex_lock(&free_delay_mutex); if (!orig_malloc) orig_malloc = dlsym(RTLD_NEXT, "malloc"); pthread_mutex_unlock(&free_delay_mutex); return orig_malloc (sz * 2 + 0x100); }