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scds_fm_tcp_read(3HA)					 Sun Cluster HA and Data Services				     scds_fm_tcp_read(3HA)

scds_fm_tcp_read - read data using a tcp connection to an application SYNOPSIS
cc [flags...] -I /usr/cluster/include file -L /usr/cluster/lib -l dsdev #include <rgm/libdsdev.h> scha_err_t scds_fm_tcp_read(scds_handle_t handle, int sock, char *buffer, size_t *size, time_t timeout DESCRIPTION
The scds_fm_tcp_read() function reads data from a TCP connection with a process being monitored. The size argument is an input and argument. On input, you specify the size of the buffer, bytes. On completion, the function places the data in buffer and specifies the actual number of bytes read in size. If the buffer is not big enough for the number of bytes read, the function returns a full buffer of size bytes, and you can call the function again for further data. If the function times out, it returns SCHA_ERR_TIMEOUT. In this case, the function might return fewer bytes than requested, indicated by the value returned in size. PARAMETERS
The following parameters are supported: handle The handle returned from scds_initialize(3HA). sock The socket number returned by a previous call to scds_fm_tcp_connect(3HA). buffer Data buffer. size Data buffer size. On input, you specify the size of the buffer, in bytes. On output, the function returns the actual number of bytes read. timeout Timeout value in seconds. RETURN VALUES
The scds_fm_tcp_read() function returns the following: 0 The function succeeded. nonzero The function failed. ERRORS
SCHA_ERR_NOERR Indicates that the function succeeded. SCHA_ERR_TIMEOUT Indicates that the function timed out. Other values Indicate that the function failed. See scha_calls(3HA) for the meaning of failure codes. FILES
/usr/cluster/include/rgm/libdsdev.h Include file /usr/cluster/lib/ Library ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscdev | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
scds_fm_tcp_disconnect(3HA), scds_fm_tcp_write(3HA), scds_initialize(3HA), scha_calls(3HA), attributes(5) Sun Cluster 3.2 7 Sep 2007 scds_fm_tcp_read(3HA)

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