SIMPLE SOLUTIONS

GFS_PIO_RECVFILE(3) - Linux man page online | Library functions

Receive a Gfarm file to local machine.

Chapter
12 Aug 2015
GFS_PIO_RECVFILE(3) Gfarm GFS_PIO_RECVFILE(3)

NAME

gfs_pio_recvfile - receive a Gfarm file to local machine

SYNOPSIS

#include <gfarm/gfarm.h> gfarm_error_t gfs_pio_recvfile(GFS_File r_gf, gfarm_off_t r_off, int w_fd, gfarm_off_t w_off, gfarm_off_t len, gfarm_off_t * recvp);

DESCRIPTION

Receives len bytes of data from the position specified by the offset r_off in a Gfarm file r_gf, to the position specified by the offset w_off of a local file which is pointed by a file descriptor w_fd. If len is -1, this function transfers until the end of the file. The transfered bytes will be stored to the memory pointed by recvp when recvp is not NULL. If len is a positive value, and the value pointed by recvp is less than len, that means the transfer reached EOF.

RETURN VALUES

GFARM_ERR_NO_ERROR The function terminated successfully. GFARM_ERR_OPERATION_NOT_PERMITTED gf does not specify a regular file. GFARM_ERR_BAD_FILE_DESCRIPTOR The file descripter specified by gf is not a valid or is not open for reading. GFARM_ERR_NO_FILE_SYSTEM_NODE There is no available file system node. GFARM_ERR_NO_MEMORY Insufficient memory was available. Others An error except the above occurred. The reason is shown by gfarm_error_string(3).

SEE ALSO

gfs_pio_create(3), gfs_pio_open(3), gfs_pio_read(3), gfs_pio_sendfile(3)
Gfarm 12 Aug 2015 GFS_PIO_RECVFILE(3)
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gfs_pio_recvfile(3) referred by gfs_pio_sendfile(3)
refer to gfs_pio_create(3) | gfs_pio_open(3) | gfs_pio_read(3) | gfs_pio_sendfile(3)
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