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added error reporting functions for kernel-mach
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src/libSystem/kernel-mach/error.cpp
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src/libSystem/kernel-mach/error.cpp
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#include "error.h"
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#include <cstdio>
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const char* mach_error_string(kern_return_t code)
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{
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switch (code)
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{
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case KERN_SUCCESS:
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return "Success";
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case KERN_FAILURE:
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return "Generic failure";
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case KERN_INVALID_ARGUMENT:
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return "Invalid argument";
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case KERN_ALREADY_WAITING:
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return "Another thread is already waiting for the operation";
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case KERN_RESOURCE_SHORTAGE:
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return "Out of memory";
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case KERN_LOCK_OWNED_SELF:
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return "The calling thread already owns the lock";
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case KERN_LOCK_OWNED:
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return "The lock is already owned by another thread";
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case KERN_INVALID_ADDRESS:
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return "Invalid address";
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case KERN_NO_SPACE:
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return "No virtual memory space";
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case KERN_PROTECTION_FAILURE:
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return "Access denied";
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default:
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{
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static __thread char buf[20];
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sprintf(buf, "Error code %d", code);
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return buf;
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}
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}
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}
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void mach_error(const char* str, kern_return_t code)
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{
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const char* msg = mach_error_string(code);
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fprintf(stderr, "%s %s\n", str, msg);
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}
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const char* mach_error_type(kern_return_t code)
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{
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return "error type dummy";
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}
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