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GNU/Linux |
RedHat 6.2(Zoot) |
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lam_rfstate(2) |
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lam_rfstate − Report status of remote LAM file descriptors.
#include <freq.h>
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int lam_rfstate(int node, struct fstate *table, int maxsize); |
The remote function lam_rfstate() accesses a remote LAM file daemon and returns status information on all file descriptors.
The arguments to lam_rfstate() are: node, the target node identifier; table, an array of structures where status information will be stored; and maxsize, the number of elements in that array.
The file status structure is defined in <freq.h>.
struct fstate {
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int | ||
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fs_tfd | ||
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int | ||
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fs_tflags | ||
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int | ||
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fs_flow | ||
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int | ||
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fs_src_node | ||
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int | ||
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fs_src_event | ||
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int | ||
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fs_ncubix | ||
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int | ||
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fs_nheard | ||
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int | ||
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fs_req | ||
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char | ||
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fs_name[24] |
};
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fs_tfd |
LAM file handle |
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fs_tflags |
LAM, POSIX, and internal filed flags |
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fs_flow |
total amount of data transferred to date |
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fs_src_node |
last client’s nodeid |
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fs_src_event |
last client’s reply event (negative PID) |
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fs_name |
trailing 24 bytes of file name |
The fs_tflags field contains the original POSIX and LAM open flags as well as extra status flags added by the file daemon. See open(2) for information on POSIX open flags. See lam_rfposix(2) for information on LAM open flags. The LAM status flags are defined in <freq.h>.
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FACTIVE |
The LAM file descriptor has an associated open POSIX file descriptor. | ||
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FLOCK |
The descriptor is permanently FACTIVE. |
Upon successful completion, the number of open file descriptors mananged by the remote file daemon is returned. The return value may be more or less than maxsize. If an error occurred, −1 is returned and the global variable errno is set to indicate the type of error.
fstate(1), lam_rfposix(2)
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lam_rfstate(2) | |