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/*
Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
namespace resources
{
int
reset_umask(void)
{
umask(0);
return 0;
}
int
maxout_rlimit(const int resource)
{
int rv;
struct rlimit rlim;
rlim.rlim_cur = RLIM_INFINITY;
rlim.rlim_max = RLIM_INFINITY;
rv = ::setrlimit(resource,&rlim);
if(rv == 0)
return 0;
rv = ::getrlimit(resource,&rlim);
if(rv == -1)
return -1;
rv = 0;
rlim.rlim_cur = rlim.rlim_max;
while(rv == 0)
{
rv = ::setrlimit(resource,&rlim);
rlim.rlim_max *= 2;
rlim.rlim_cur = rlim.rlim_max;
}
return rv;
}
int
maxout_rlimit_nofile(void)
{
return maxout_rlimit(RLIMIT_NOFILE);
}
int
maxout_rlimit_fsize(void)
{
return maxout_rlimit(RLIMIT_FSIZE);
}
int
setpriority(const int prio)
{
const int SELF = 0;
return ::setpriority(PRIO_PROCESS,SELF,prio);
}
}