52 lines
1008 B
C
52 lines
1008 B
C
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// SPDX-License-Identifier: LGPL-2.1
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#include "trace/beauty/beauty.h"
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#include <linux/kernel.h>
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#include <uapi/linux/fcntl.h>
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#ifndef LOCK_MAND
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#define LOCK_MAND 32
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#endif
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#ifndef LOCK_READ
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#define LOCK_READ 64
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#endif
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#ifndef LOCK_WRITE
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#define LOCK_WRITE 128
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#endif
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#ifndef LOCK_RW
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#define LOCK_RW 192
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#endif
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size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg)
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{
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bool show_prefix = arg->show_string_prefix;
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const char *prefix = "LOCK_";
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int printed = 0, op = arg->val;
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if (op == 0)
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return scnprintf(bf, size, "NONE");
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#define P_CMD(cmd) \
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if ((op & LOCK_##cmd) == LOCK_##cmd) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #cmd); \
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op &= ~LOCK_##cmd; \
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}
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P_CMD(SH);
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P_CMD(EX);
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P_CMD(NB);
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P_CMD(UN);
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P_CMD(MAND);
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P_CMD(RW);
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P_CMD(READ);
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P_CMD(WRITE);
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#undef P_OP
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if (op)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op);
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return printed;
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}
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