| 1 | |
| 2 | #include "util.h"
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| 3 | #include "../util/debug.h"
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| 4 | #include <stdio.h>
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| 5 |
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| 6 | |
| 7 | * Default error logging functions
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| 8 |
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| 9 | static int perf_stdio__error(const char *format, va_list args)
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| 10 | {
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| 11 | fprintf(stderr, "Error:\n");
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| 12 | vfprintf(stderr, format, args);
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| 13 | return 0;
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| 14 | }
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| 15 |
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| 16 | static int perf_stdio__warning(const char *format, va_list args)
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| 17 | {
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| 18 | if (quiet)
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| 19 | return 0;
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| 20 |
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| 21 | fprintf(stderr, "Warning:\n");
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| 22 | vfprintf(stderr, format, args);
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| 23 | return 0;
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| 24 | }
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| 25 |
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| 26 | static struct perf_error_ops default_eops =
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| 27 | {
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| 28 | .error = perf_stdio__error,
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| 29 | .warning = perf_stdio__warning,
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| 30 | };
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| 31 |
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| 32 | static struct perf_error_ops *perf_eops = &default_eops;
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| 33 |
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| 34 |
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| 35 | int ui__error(const char *format, ...)
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| 36 | {
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| 37 | int ret;
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| 38 | va_list args;
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| 39 |
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| 40 | va_start(args, format);
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| 41 | ret = perf_eops->error(format, args);
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| 42 | va_end(args);
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| 43 |
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| 44 | return ret;
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| 45 | }
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| 46 |
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| 47 | int ui__warning(const char *format, ...)
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| 48 | {
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| 49 | int ret;
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| 50 | va_list args;
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| 51 | if (quiet)
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| 52 | return 0;
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| 53 |
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| 54 | va_start(args, format);
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| 55 | ret = perf_eops->warning(format, args);
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| 56 | va_end(args);
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| 57 |
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| 58 | return ret;
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| 59 | }
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| 60 |
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| 61 | |
| 62 | * perf_error__register - Register error logging functions
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| 63 | * @eops: The pointer to error logging function struct
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| 64 | *
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| 65 | * Register UI-specific error logging functions. Before calling this,
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| 66 | * other logging functions should be unregistered, if any.
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| 67 |
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| 68 | int perf_error__register(struct perf_error_ops *eops)
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| 69 | {
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| 70 | if (perf_eops != &default_eops)
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| 71 | return -1;
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| 72 |
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| 73 | perf_eops = eops;
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| 74 | return 0;
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| 75 | }
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| 76 |
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| 77 | |
| 78 | * perf_error__unregister - Unregister error logging functions
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| 79 | * @eops: The pointer to error logging function struct
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| 80 | *
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| 81 | * Unregister already registered error logging functions.
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| 82 |
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| 83 | int perf_error__unregister(struct perf_error_ops *eops)
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| 84 | {
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| 85 | if (perf_eops != eops)
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| 86 | return -1;
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| 87 |
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| 88 | perf_eops = &default_eops;
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| 89 | return 0;
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| 90 | }
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