52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#include "tests.h"
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#include <asm/unistd.h>
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#if defined __NR_swapon && defined __NR_swapoff
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# include <stdio.h>
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# include <sys/swap.h>
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# include <unistd.h>
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int
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main(void)
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{
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static const char sample[] = "swap.sample";
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long rc;
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rc = syscall(__NR_swapon, sample, 0);
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printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
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sample, "0", rc, errno2name());
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rc = syscall(__NR_swapon, sample, 42);
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printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
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sample, "42", rc, errno2name());
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rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER);
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printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
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sample, "SWAP_FLAG_PREFER|0", rc, errno2name());
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rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER | 42);
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printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
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sample, "SWAP_FLAG_PREFER|42", rc, errno2name());
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rc = syscall(__NR_swapon, sample, -1L);
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printf("swapon(\"%s\", %s) = %ld %s (%m)\n",
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sample,
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"SWAP_FLAG_PREFER|SWAP_FLAG_DISCARD|SWAP_FLAG_DISCARD_ONCE"
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"|SWAP_FLAG_DISCARD_PAGES|0xfff80000|32767",
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rc, errno2name());
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rc = syscall(__NR_swapoff, sample);
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printf("swapoff(\"%s\") = %ld %s (%m)\n",
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sample, rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_swapon && __NR_swapoff")
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#endif
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