61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
#include <errno.h>
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#include <luna.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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typedef long ssize_t;
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int main()
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{
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if (gettid() == 0) // why are we the idle task?
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{
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__luna_abort("SHENANIGANS! init is tid 0 (which is reserved for the idle task)\n");
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}
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printf("Welcome to Luna!\n");
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printf("Running as tid %ld\n\n", gettid());
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sleep(1);
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char version[40];
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syscall(SYS_getversion, version, sizeof(version));
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printf("Your kernel version is %s\n\n", version);
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sleep(2);
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const char* filename = "/sys/config";
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printf("Opening %s for reading...\n", filename);
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FILE* config = fopen(filename, "r");
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if (!config)
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{
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perror("fopen");
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return 1;
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}
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char buf[4096];
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size_t nread = fread(buf, sizeof(buf), 1, config);
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if (ferror(config)) { perror("fread"); }
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else
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{
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buf[nread] = 0;
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printf("Read %zd bytes\n\n", nread);
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printf("%s", buf);
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}
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if (fclose(config) < 0) { perror("fclose"); }
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printf("\n\nPress any key to restart.\n");
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return 0;
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}
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