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Limit pledge.com default virtual mem to total ram

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This commit is contained in:
Justine Tunney 2022-07-15 06:53:01 -07:00
parent baf51a4a23
commit 7f966de489
3 changed files with 81 additions and 2 deletions
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78
examples/sysinfo.c Normal file
View file

@ -0,0 +1,78 @@
#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/struct/sysinfo.h"
#include "libc/fmt/itoa.h"
#include "libc/log/check.h"
#include "libc/stdio/stdio.h"
int main(int argc, char *argv[]) {
int64_t x;
char ibuf[21];
struct sysinfo si;
CHECK_NE(-1, sysinfo(&si));
printf("%-16s", "uptime");
x = si.uptime / (24 * 60 * 60);
si.uptime %= 24 * 60 * 60;
if (x) {
printf(" %ld day%s", x, x == 1 ? "" : "s");
}
x = si.uptime / (60 * 60);
si.uptime %= 60 * 60;
if (x) {
printf(" %ld hour%s", x, x == 1 ? "" : "s");
}
x = si.uptime / (60);
si.uptime %= 60;
if (x) {
printf(" %ld minute%s", x, x == 1 ? "" : "s");
}
x = si.uptime;
if (x) {
printf(" %ld second%s", x, x == 1 ? "" : "s");
}
printf("\n");
printf("%-16s %g %g %g\n", "load", //
1. / 65536 * si.loads[0], //
1. / 65536 * si.loads[1], //
1. / 65536 * si.loads[2]); //
FormatMemorySize(ibuf, si.totalram);
printf("%-16s %s\n", "totalram", ibuf);
FormatMemorySize(ibuf, si.freeram);
printf("%-16s %s\n", "freeram", ibuf);
FormatMemorySize(ibuf, si.sharedram);
printf("%-16s %s\n", "sharedram", ibuf);
FormatMemorySize(ibuf, si.bufferram);
printf("%-16s %s\n", "bufferram", ibuf);
FormatMemorySize(ibuf, si.totalswap);
printf("%-16s %s\n", "totalswap", ibuf);
FormatMemorySize(ibuf, si.freeswap);
printf("%-16s %s\n", "freeswap", ibuf);
printf("%-16s %lu\n", "processes", si.procs);
FormatMemorySize(ibuf, si.totalhigh);
printf("%-16s %s\n", "totalhigh", ibuf);
FormatMemorySize(ibuf, si.freehigh);
printf("%-16s %s\n", "freehigh", ibuf);
FormatMemorySize(ibuf, si.mem_unit);
printf("%-16s %s\n", "mem_unit", ibuf);
//
}

2
test/tool/net/ljson_test.lua
View file

@ -218,5 +218,3 @@ function bench()
print('JsonEncodeObj', Benchmark(JsonEncodeObject))
print('BigString', Benchmark(BigString))
end
bench()

3
tool/build/pledge.c
View file

@ -19,6 +19,7 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/rlimit.h"
#include "libc/calls/struct/sched_param.h"
#include "libc/calls/struct/sysinfo.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
@ -103,11 +104,13 @@ const char *g_promises;
static void GetOpts(int argc, char *argv[]) {
int opt;
struct sysinfo si;
g_promises = 0;
g_proquota = GetCpuCount() * 2;
g_fszquota = 256 * 1000 * 1000;
g_fszquota = 4 * 1000 * 1000 * 1000;
g_memquota = 4L * 1024 * 1024 * 1024;
if (!sysinfo(&si)) g_memquota = si.totalram;
while ((opt = getopt(argc, argv, "hnNp:u:g:c:C:P:M:F:")) != -1) {
switch (opt) {
case 'n':