Last change
on this file since 413 was 398, checked in by coas-nagasima, 5 years ago |
mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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File size:
520 bytes
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1 | #include <sys/sem.h>
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2 | #include <limits.h>
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3 | #include <errno.h>
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4 | #include "syscall.h"
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5 | #include "ipc.h"
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6 |
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7 | int semget(key_t key, int n, int fl)
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8 | {
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9 | /* The kernel uses the wrong type for the sem_nsems member
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10 | * of struct semid_ds, and thus might not check that the
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11 | * n fits in the correct (per POSIX) userspace type, so
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12 | * we have to check here. */
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13 | if (n > USHRT_MAX) return __syscall_ret(-EINVAL);
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14 | #ifdef SYS_semget
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15 | return syscall(SYS_semget, key, n, fl);
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16 | #else
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17 | return syscall(SYS_ipc, IPCOP_semget, key, n, fl);
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18 | #endif
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19 | }
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