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23 lines
623 B
C
Vendored
23 lines
623 B
C
Vendored
#define _GNU_SOURCE
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#include <sys/resource.h>
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#include "syscall.h"
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#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
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int prlimit(pid_t pid, int resource, const struct rlimit *new_limit, struct rlimit *old_limit)
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{
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struct rlimit tmp;
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int r;
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if (new_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
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tmp = *new_limit;
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FIX(tmp.rlim_cur);
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FIX(tmp.rlim_max);
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new_limit = &tmp;
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}
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r = syscall(SYS_prlimit64, pid, resource, new_limit, old_limit);
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if (!r && old_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
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FIX(old_limit->rlim_cur);
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FIX(old_limit->rlim_max);
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}
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return r;
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}
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