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Add WINE_OVERRIDE_MEMORY_LIMIT_BYTES environment variable #3

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Add WINE_OVERRIDE_MEMORY_LIMIT_BYTES environment variable #3

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26 changes: 25 additions & 1 deletion libmemory-patches/cgroups.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,25 @@
#define TRUE 1
#endif

u_int64_t get_env_var_memory_limit(void)
{
static bool env_var_memory_limit_read = false;
static u_int64_t env_var_memory_limit = 0;

if (!env_var_memory_limit_read)
{
const char *str = getenv( "WINE_OVERRIDE_MEMORY_LIMIT_BYTES" );

if (str)
{
env_var_memory_limit = strtoull(str, NULL, 10);
}
env_var_memory_limit_read = true;
}

return env_var_memory_limit;
}

BOOL use_cgroup_soft_memory_limit(void)
{
static int use_soft_memory_limit = -1;
Expand Down Expand Up @@ -521,7 +540,12 @@ struct current_memory_info get_current_memory_info(void)

struct cgroup_memory_info *cg_mem_info = get_cgroup_memory_info();

if(cg_mem_info &&
u_int64_t env_var_memory_limit = get_env_var_memory_limit();
if (cg_mem_info && env_var_memory_limit != 0)
{
memory_limit = env_var_memory_limit;
}
else if (cg_mem_info &&
use_cgroup_soft_memory_limit() &&
cg_mem_info->soft_limit < cg_mem_info->hard_limit &&
cg_mem_info->soft_limit > 0)
Expand Down