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Lines 30-41
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#endif |
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#endif |
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/* Required for getting system parameters */ |
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/* Required for getting system parameters */ |
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#if defined __linux__ |
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#if defined __linux__ |
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#include <linux/unistd.h> |
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#include <sys/ipc.h> |
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#include <linux/types.h> |
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#include <sys/shm.h> |
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#include <linux/sysctl.h> |
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#include <sys/syscall.h> |
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#ifndef IPC_INFO |
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#include <unistd.h> |
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#define IPC_INFO 3 |
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#else |
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#endif |
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#endif |
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#endif |
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int myGlobalSock = -1; |
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int myGlobalSock = -1; |
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Lines 53-60
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* defined max value or not. If the requested size is more than system defined |
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* defined max value or not. If the requested size is more than system defined |
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* size, change the requested size to a value lower than system defined max |
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* size, change the requested size to a value lower than system defined max |
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* value. |
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* value. |
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* NOTE: This code is not ported for EM64T Linux and hence not being invoked |
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* at this time |
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* |
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* |
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* @param size - the requested shared memory segment size |
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* @param size - the requested shared memory segment size |
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*************************************************************************/ |
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*************************************************************************/ |
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Lines 102-113
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#elif __linux__ |
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#elif __linux__ |
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int rc; |
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int rc; |
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int name[] = { CTL_KERN, KERN_SHMMAX }; |
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struct shminfo info; |
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size_t shmmaxlen = sizeof(int); |
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struct __sysctl_args args = { name, sizeof(name), &shmmax, &shmmaxlen, 0, 0 }; |
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rc = shmctl(0, IPC_INFO, (struct shmid_ds *) (void*) &info); // to make compiler happy |
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if (rc >= 0) |
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rc = syscall(SYS__sysctl, &args); |
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shmmax = info.shmmax; |
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if(rc || (shmmax == 0)) { |
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if(shmmax <= 0) { |
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TPTP_LOG_ERROR_MSG("Cannot get system shared memory setting"); |
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TPTP_LOG_ERROR_MSG("Cannot get system shared memory setting"); |
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shmmax = 33554432; // default for Linux systems |
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shmmax = 33554432; // default for Linux systems |
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} |
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} |
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Lines 357-368
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if (shmBufSize < RA_SHM_BUF_SIZE_MIN) |
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if (shmBufSize < RA_SHM_BUF_SIZE_MIN) |
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shmBufSize = RA_SHM_BUF_SIZE_MIN ; |
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shmBufSize = RA_SHM_BUF_SIZE_MIN ; |
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#ifndef __x86_64__ |
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// The validateSystemShmMax is not ported to work on Linux EM64T platform |
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// Hence invoking this function only for other platforms. For things to work on |
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// Linux EM64T, the default shared mem chunk size is set to 8MB |
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shmBufSize = validateSystemShmMax(shmBufSize); |
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shmBufSize = validateSystemShmMax(shmBufSize); |
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#endif |
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TPTP_LOG_DEBUG_MSG2("Shared mem name(%s) size(%d) \n", pMemName, shmBufSize) ; |
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TPTP_LOG_DEBUG_MSG2("Shared mem name(%s) size(%d) \n", pMemName, shmBufSize) ; |
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shmerr = ra_createShm((char*) pMemName, shmBufSize, pShmHdl) ; |
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shmerr = ra_createShm((char*) pMemName, shmBufSize, pShmHdl) ; |
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